math reviewer.docx

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist

1975 What law states that at a given temperature the solubility of a gas in a liquid is directly proportional to the pressure of the gas above the liquid?

Henry's Law Charle's Law Graham's Law Boyle's Law William Quiming

313 A process that absorbs heat from the surroundings.

endothermic process exothermic process intrinsic process extrinsic process William Quiming

607 Calculate the molarity of a solution if water is added to 2 moles of glucose to give 5 L of solution.

0.4 0.29 10 7 William Quiming

134 A concentration of solution that contains only a small amount of solute.

dilute solution concentrated solution saturated solution unsaturated solution William Quiming

1327 Simplify the expression (i^1997 + i^1999), where i is an imaginary number.

0 2 + i 1 + i -i Advance Mathematics

William Quiming

966 If A=3i-6j+2k, B = 10i +4 j -6k Find the dot product or scalar product of A and B.

-6 4 8 5 Advance Mathematics

William Quiming

1358 Subtract (5 – 2i) from (3-5i) -2-3i 4-2i 2-7i 2+3i Advance Mathematics

William Quiming

956 If (x + yi)(2 - 4i) = (14 - 8i), find x. 3 2 4 5 Advance Mathematics

William Quiming

806 Find the natural logarithm of (3 - 4i) 1.609438 - 0.927295 i 1.813657 - 0.831496 i 1.724216 - 0.785296 i 1.432561 - 0.692567 i Advance Mathematics

William Quiming

823 Find the value of (1 + i)^5 where i is an imaginary number.

-4(1 + i) 1 - i 1 + i 4(1 + i) Advance Mathematics

William Quiming

1680 The quantity 2/(e^x - e^-x) is equal to Csch x Tanh x Cosh x Sech x Advance Mathematics

William Quiming

364 A sequence of numbers where succeeding term is greater than the preceding term is called

Divergent series Convergent seies Dissonant series Isometric series Advance Mathematics

William Quiming

1959 What is the quotient when (4 + 8i) is divided -8 + 4i 8 - 4i -8 - 4i 8 + 4 i Advance William


by i^3. Mathematics Quiming1041 In the complex algebra, we use a diagram to

represent a complex plane commonly calledArgand diagram Venn diagram Funicular diagram De Moivre's diagram Advance

MathematicsWilliam Quiming

1036 In polar coordinate system, the length of the ray segment from a fixed origin is known as _______.

radius vector amplitude hypotenuse minimum point Advance Mathematics

William Quiming

2006 When the corresponding elements of two rows of a determinant are proportional, then the value of the determinant is

Zero Undefined One Multiplied by the ratio Advance Mathematics

William Quiming

632 Compute the magnitude of the vector A = 3i+ 4j + 5k

7.07 5.05 6.06 8.08 Advance Mathematics

William Quiming

636 Compute the value of “b” if A and B are perpendicular. A = 2i+ bj + k , B = 4i- 2j -2k

3 2 1 4 Advance Mathematics

William Quiming

868 From the given values of A and B, find vector product of A and B, if :A = 2i-5k, B =j

5i+2k 4i-2k 3i-5j+2k 3i-2j Advance Mathematics

William Quiming

717 Express 3+4i in trigonometric form 5 (Cos 53.13°+ i Sin 53.13°)

4 (Cos 37° + i Sin 37°) 3 (Cos 53.13° + i Cos 37°)

5 (sin 37°+ i Cos37°) Advance Mathematics

William Quiming

819 Find the sum of the roots of 5x^2-10x+2=0 -1/2 2 -2 ½ Algebra William Quiming

831 Find the value of x: log6+ xlog4=log4+ log(32+4x)

3 2 4 5 Algebra William Quiming

830 Find the value of x: log6 + xlog4 = log 4 + log (32 + 42) .


827 Find the value of k in the quadratic equation 3x^2 - kx + x - 7k = 0 if 3 is one of the roots.


825 Find the value of C from the given quadratic equation x^2 - 4x + C = 0 if the product of the roots is -5.

-5 -4 -3 2 Algebra William Quiming

817 Find the sum of the infinite geometric 9/2 5/2 7/2 11/2 Algebra William


progression 6, -2, 2/3,... Quiming816 Find the sum of the first 10 terms of the

geometric progression 2, 4, 8, 16, ....2046 1023 1596 225 Algebra William

Quiming1450 The characteristic of the common logarithm

of a number greater than 1 isZero or positive Positive Negative Zero Algebra William

Quiming1316 Round off 6785768.342 to the nearest one-

tenth.6785768.3 6785768.4 6785768 None of these Algebra William

Quiming729 Find the 1987th digit in the decimal

equivalent to 1785/9999 starting from decimal point.


1313 Round off 0.003086 to three significant figures.

0.00309 0.003 0.0031 0.00308 Algebra William Quiming

725 Find all sets of four positive consecutive integers such that the sum of the cubes of the first three is the cube of the fourth.

3, 4, 5, 6 2, 3, 4, 5 4, 5, 6, 7 5, 6, 7, 8 Algebra William Quiming

1521 The equation of whose roots are the reciprocal of the roots of 2x^2-3x-5=0 is:

5x^2+3x-2=0 3x^2-4x+4=0 4x^2-5x+4=0 6x^2-3x-4=0 Algebra William Quiming

1559 The inverse function of a logarithm is known as

Cologarithm Antilogarithm Antidenvetive Antecedent Algebra William Quiming

672 Determine x so that: x, 2x+7, 10x-7 will be a geometric progression.

7, -7/6 7, -5/6 7, -14/5 7, -7/12 Algebra William Quiming

671 Determine the value of k so that the sum and product of the roots are equal from the given equation 7x^2+(2k-1)x-3k+2=0.


1010 If x varies directly as y and inversely as z, and x = 14 when y = 7 and z = 2, find the value of x when y = 16 and z = 4.


974 If ln(ln y) + ln y = ln x, find y'. y/(x + y) x/(x + y) y/(x - y) x/(x - y) Algebra William Quiming


1007 If the sum of two numbers is 4, find the minimum value of the sum of their cubes.


1001 If the roots of an equation are zero, then they are classified as

Trivial solution Hyperbolic solution Zero functions Extraneous roots Algebra William Quiming

1026 In Algebra, the operation of root extraction is called

Evolution Involution Resolution Revolution Algebra William Quiming

1044 In the equation x^2 + 1lx + 28 = 0, one root is 3 more than the other root what are the roots of the equation?

-7, -4 8, 5 -6, -3 9, 6 Algebra William Quiming

1045 In the expansion (x + 4y)^12, the numerical coefficient of the 5th term is

126,720 63,360 506,680 253,440 Algebra William Quiming

1046 In the expansion of (x + 4y)^12, the numerical coefficient of the 5th term is


1194 Log (MN) is equal to: Log M + Log N Log M + N N Log M Log M - N Algebra William Quiming

1213 MCMXCIV is equivalent to what number? 1994 1964 1984 1974 Algebra William Quiming

1231 Mike, Loui and Joy can mow the lawn in 4, 6 and 7 hours respectively. What fraction of the yard can they mow in 1 hour if they work together?

47/84 45/84 84/47 39/60 Algebra William Quiming

977 If log(9!) = 5.5598, what is the log 10! 6.5598 7.5598 4.5592 8.5598 Algebra William Quiming

1315 Round off 34.2814 to four significant figures. 34.281 34.28 34.2814 34.0 Algebra William Quiming

975 If log of 2 to the base 2 plus log of x to the base 2 is equal to 2, then the value of x is,

2 -2 4 -1 Algebra William Quiming

852 For a particular experiment, you need 5 liters of 10% solution. You find 7% and 12%

2 1.5 2.5 3 Algebra William Quiming


solutions on the shelve. How much of the 7% solution you mix with the appropriate amount of the 12% solution to get 5 liters of 10% solution?

973 If ln x^2 = (ln x)^2 solve for x. e^2 Ln x 2 ln x e^2x Algebra William Quiming

1279 Pedro can paint a fence 50% faster than Juan and 20% faster than Pilar, and together they can paint the fence in 4 hours. How long will it take Pedro to paint the same fence if he had to work alone?


960 If a man can dig a small cellar in the form of a cube 5 ft. on an edge in one day, how long will it take him to dig a similar cellar 10 ft. on an edge?

8 days. 9 days. 10 days. 11 days. Algebra William Quiming

957 If 16 is 4 more than 4x, find 5x - 1. 14 3 12 5 Algebra William Quiming

955 If (x + 3) : 10 = (3x - 2) : 8, find (2x - 1). 3 1 2 4 Algebra William Quiming

953 If (2 log x to the base 4) – (log 9 to the base 4) = 2, find x.


728 Find the 100th term of the sequence 1.01, 1.00, 0.99, ....


1314 Round off 149.691 to the nearest integer. 150 149.7 149.69 149 Algebra William Quiming

652 Determine k so that the equation 4x^2+kx+1=0 will have just one real solution.


885 Given: f(x) = (x+3)(x-4) + 4. When f(x) is divided by (x-k), the remainder is k. Find k.


MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist976 If log xy = 6, and log x/y = 2, solve for x and y. X = 10000, y = 100 X = 1000, y = 100 X = 10500, y = 150 X = 100000, y = 1000 Algebra William

Quiming1949 What is the lowest common factor of 10 and

32?2 320 180 90 Algebra William

Quiming644 Crew No.1 can finish installation of an

antenna tower in 200 man-hour while Crew No.2 can finish the same job in 300 man-hour. How long will it take both crews to finish the same job together?

120 man-hour 100 man-hour 140 man-hour 160 man-hour Algebra William Quiming

1742 The sum of the first 10 terms of a geometric progression 2, 4, 8, 16,... Is


730 Find the 30th term of the arithmetic progression 4, 7, 10...


1743 The sum of the interior angles of a polygon is 540 degrees. Find the number of sides.


1745 The sum of two numbers is 12. Find the minimum value of the sum of their cubes.


1706 The roots of a quadratic equation are 1/3 and 1/4. What is the equation?

12x^2 - 7x + 1 12x^2 + 7x + 1 12x^2 + 7x - 1 12x^2 - 7x - 1 Algebra William Quiming

418 A tank is filled with an intake pipe that fills it in 2 hours and an outlet pipe that empty it in 6 hours. If both pipes are left open, how long will it take to fill in the empty tank?

3 hours 1.5 hours 2 hours 4 hours Algebra William Quiming

1741 The sum of the coefficients in the expansion of (x + y)^8 is


1951 What is the maximum length of the perimeter if the hypotenuse of a right triangle is 5 m. long?

12.08 m 20.09 m 8.99 m 15.09 m Algebra William Quiming

221 A man is 41 years old and his son is 9. In how 7 6 8 9 Algebra William


many years will the father be three times as old as his son?

Quiming

1966 What is the sum of the coefficients of the expansion of (2x-1)^20?


1970 What is the value of e^-5? 0.0067379 -5 0.002456 -148.41 Algebra William Quiming

1972 What is the value of x in log 625 to the base x = 4.


67 A beseige is held 5700 men who have provisions for 66 days. If the garrison losses 20 men each day, for how many days can the provision hold out?


444 A wall 2.245 m. high is "x" meters away from a building. The shortest ladder that can reach the building with one end resting on the ground outside the wall is 6 m. What is the value of "x"?

2 m 3.0 m 4.0 m 2.6 m Algebra William Quiming

1649 The population of the Philippines doubled in the last 30 years from 1967 to 1997. Assuming that the rate of population increase will remain the same, in what year will the population triple?


1570 The linear distance between -4 and 17 on the number line is

21 13 -17 -13 Analytic Geometry William Quiming

1487 The earth’s orbit is an ellipse with the sun at one focus. The length of the major axis is 186,000,000 mi, and the eccentricity is 0.0167. Find the distances from the ends of the major axis to the sun. These are the greatest and least distances from

94.6 and 91.4 million miles

84.6 and 80.5 million miles

70 and 91.9 million miles

100.6 and 70 million miles

Analytic Geometry William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist669 Determine the tangent to the curve 3y^2 =

x^3 at (3,3) and calculate the area of the triangle bounded by the tangent line, the x – axis and the line x = 3.

3.50 units2 2.50 units2 3.00 units2 4.00 units2 Analytic Geometry William Quiming

718 Express center of curvature of a given curve in rectangular coordinates. Equation of curve x^2 = 6y at the points (0,0) and (3,4).

(-3, 10) (-2, 17) (-2,14) (-3, 17) Analytic Geometry William Quiming

2103 You are given one coin with 5-cm diameter and a large supply of coins with diameter of 2 cm. What is the maximum number of the smaller coinsn that may be arranged tangentially around the larger without any overlap?

10 12 9 8 Analytic Geometry William Quiming

826 Find the value of k for which the equation x^2 + y^2 + 4x - 2y - k = 0 represents a point circle.

-5 5 -6 6 Analytic Geometry William Quiming

1794 The vertices of a triangle arc at A(—1,1), B(7,—2), and C(5,3). Find the length of one side of the triangle and the length of the altitude to that side, and then compute the area of the triangle.


1829 These are the curves formed by the intersection of a plane with the surface of a cone.

Conic sections Parabola Arc Hyperbola Analytic Geometry William Quiming

1986 What the equation of the parabola with vertex at the origin, focus at (0, 2)?

X2=8y X2=9y X2=10y X2=11y Analytic Geometry William Quiming

433 A triangular section has coordinates of A(2,2) , B(11,2) , and C(5,8). Find the coordinates of the centroid of the triangular section.

(6,4) (7,4) (8,4) (9,4) Analytic Geometry William Quiming


1985 What the equation of the parabola with vertex at the origin, directrix is y +4=0?

X^2 = 16y X^2 = 14y X^2 = 20y X^2 = 18y Analytic Geometry William Quiming

1936 What is the equation of the family of lines where the y intercept is equal to 4?

4x+ay=4a, a = 0 8x+ay=5a, a = 0 7x+ay=2a, a = 0 5x+ay=4a, a = 0 Analytic Geometry William Quiming

347 A relation in which there is exactly one range element associated with each domain element.

Function Set Formula Graph Analytic Geometry William Quiming

1935 What is the equation of the family of lines where the x intercept is twice the y intercept?

x + 2y = 2a, a = 0 X + y = 2a, a = 0 5x + 3y = 2a, a = 0 X + 4y = 2a, a = 0 Analytic Geometry William Quiming

1937 What is the equation of the line which passes through A (-3, -6) with a slope ?

x + 2y + 15 = 0 2x+y+15=0 X+2y+5=10 X+2y+20=0 Analytic Geometry William Quiming

1286 Point P(x,y) moves with a distance from point (0,1) one-half of its distance from line y = 4. The equation of its locus is

4x^2 + 3y^2 = 12 2x^2 - 4y^2 = 5 2x^2 + 5y^3 = 3 x^2 + 2y^2 = 4 Analytic Geometry William Quiming

1938 What is the equation of the line which passes through the point A with the slope m where A(3,1), m=2

2x - y = 5 X—2y=4 2x—5y=4 3x—2y=10 Analytic Geometry William Quiming

300 A point on the graph where the tangent line is either horizontal or vertical is known as

Critical point Point of inflection Stationary point All of the above Analytic Geometry William Quiming

1939 What is the equation of the parabola with vertex at the origin and the focus is on the x axis and the parabola passes through the point (4, 3)?

4y^2 = 9x Y^2 = 9x 2 x^2=y X=8y Analytic Geometry William Quiming

1940 What is the equation of the parabola with vertex at the origin and the parabola opens to the left and passes through the point (—2, 1)?

2y^2 = -x X^2=8y X=8y 4y^2=-y Analytic Geometry William Quiming

288 A plane passes through the point (1,1,1) and 3x - 7y + 8z =4 X - 8y + 7z =5 2x - y + 5z =6 X - 5y + 4z =2 Analytic Geometry William


is perpendicular to each of planes 2x + 2y + z =3 and 3x — y — 2z =5. Find its equation.

Quiming

276 A parabola having a span of 30 m and a height of 20 m has an area of _____ square meters.


207 A line passes through point (2,2). Find the equation of the line of the line if the length of the line segment intercepted by the coordinates axes is the square root of 5.

2x - y - 2 = 0 2x + y -2 = 0 2x - y + 2 = 0 2x + y + 2 = 0 Analytic Geometry William Quiming

1633 The parabolic antenna has an equation of y^2 + 8x = 0. Determine the length of the latus rectum.

8 4 0.5 12 Analytic Geometry William Quiming

1181 It the portion of a line that includes two particular points and all points that lie between them.

Line segment Polygon Ray Plane Analytic Geometry William Quiming

670 Determine the the coordinates of the point which is three-fifths of the way from the point (2,-5) to the point (-3,5).

(-1,1) (-2,1) (-1,-2) (1, -1) Analytic Geometry William Quiming

1952 What is the mean ordinate of the position part of the curve, y = 2x – x^2

2 / 3 4 / 7 7 / 10 5 / 9 Analytic Geometry William Quiming

1962 What is the slope and intercept of the line 4x - y=2.

a=3, b= -12, m=4, a=4, b= -4, m=2, a=5, b= -2, m=4, a=3, b= -12, m=2, Analytic Geometry William Quiming

331 A rectangle ABCD which measures 18 cm. by 24 cm. is folded once, perpedicular to diagonal AC, so that the opposite vertices A and C coincide. Find the length of the fold.

22.5 cm 21.5 cm 20.5 cm 23.5 cm Analytic Geometry William Quiming

772 Find the directed distance from the line x + 4 = 0 to the point (-1,-5)


1016 In a cartesian coordinates, the vertices of a 9 sq. units 8 sq. units 10 sq. units 11 sq. units Analytic Geometry William


triangle are defined by the following points: (-2,0), (4,0) and (3,3). What is the area?

Quiming

780 Find the distance between the two parallel lines l0x - 24y = 117 and 5x - 12y = -52.

8.5 10 7.4 15 Analytic Geometry William Quiming

779 Find the distance between the two parallel lines l0—24y= 117 5x-12y= -52

8.5 10 11.4 7.2 Analytic Geometry William Quiming

778 Find the distance between the two parallel lines 4x - 3y-9=0 and 4x- 3y - 24 =0.


777 Find the distance between the two parallel lines 15x - 8y -34 = 0 and 15x - 8y + 51 =0.


785 Find the equation of the bisector of the pair of acute angles formed by the lines 4z+2y=9 and 2x—y=8.

8x – 25 = 0 10x – 25 = 0 8x – 45 = 0 17x – 24 = 0 Analytic Geometry William Quiming

1474 The diameter of a circle described by 9x^2 + 9y^2 = 16 is

8/3 4/3 16/9 4 Analytic Geometry William Quiming

786 Find the equation of the graph of the midpoints of the ordinates of the circle x^2 + y^2= 49.

X^2 + 4y^2 =49 2x^2 + 5y^2 =49 X^2 + 6y^2 =50 X^2 + y^2 =70 Analytic Geometry William Quiming

771 Find the directed distance from the line 3x - 4y -16 = 0 to the point (-4, 6).

10.4 9 17.12 11 Analytic Geometry William Quiming

769 Find the coordinates of the vertex of the parabola y = x^2 - 4x + 1 by making use of the fact that at the vertex, the slope of the tangent is zero.

(2, -3) (-2, -3) (-1, -3) (3, -2) Analytic Geometry William Quiming

768 Find the coordinates of the point P(2,4) with respect to the translated axis with origin at (1,3).

(1,1) (1,-1) (-1,1) (-1,-1) Analytic Geometry William Quiming

756 Find the area of a parallelogram with two sides identified by vectors from the origin to



the points (3, 4) and (8, 0).651 Determine B such that 3x + 2y -7 = 0 is

perpendicular to 2x - By + 2 = 0.3 4 5 2 Analytic Geometry William

Quiming549 Any set of ordered pair is called a Relation Range Domain Graph Analytic Geometry William

Quiming776 Find the distance between the points A(3,-

2,l), B(-5,4,3)2 2 4 19 Analytic Geometry William

Quiming547 Any pair of elements (x,y) having a first

element x and a second element y is calledOrdered pair Domain Coordinates Range Analytic Geometry William

Quiming1373 The _______of a relation is the set of second

elements of the pair in the relation.Range Domain Graph Function Analytic Geometry William

Quiming1409 The area of the hexagon ABCDEF formed by

joining the points A(1,4), B(0,-3),C(2,3),D(-1,2),E(-2,-1), and F(3,0) is

20 sq. units 24 sq. units 22 sq. units 15 sq. units Analytic Geometry William Quiming

1411 The area of the rhombus is 132 square meters. If its shorter diagonal is 12 meters, find the longer diagonal.

22 m 38 m 34 m 34 m Analytic Geometry William Quiming

1712 The segment from (-1, 4) to (2, -2) is extended three times its own length. The terminal point is

(11, -20) (-11, 20) (11, 20) (-11, -20) Analytic Geometry William Quiming

1004 If the sides of a parallelogram and an included angle are 6, 10, and 100 degrees respectively, find the length of the shorter diagonal.

10.73 10.63 10.23 10.53 Analytic Geometry William Quiming

1012 If y1= 2x+4 and y^2= x^2+ C, find the value of C such that y^2 is tangent to y1.


1015 In a cartesian coordinates, the vertices of a square are: (1,1), (0,8), (4,5) ang (-3,4). What is the area?

25 sq. units 30 sq. units 20 sq. units 35 sq. units Analytic Geometry William Quiming


1713 The segment from (-1,4) to (2,-2) is extended three times its own length. the terminal point is

(11,-20) (-11,-20) (11,-18) (11,-24) Analytic Geometry William Quiming

793 Find the inclination of the line passing through (-5,3) and (10,7).

14.93 14.73 14.83 14.63 Analytic Geometry William Quiming

791 Find the equation of the tangent line to the curve y = x3- 3x2 + 5x that has the least slope.

2x – y + 1 = 0 3x + y – 1 = 0 X - 2y + 1 = 0 2x + y – 2 = 0 Analytic Geometry William Quiming

789 Find the equation of the line determined by the points A and B where A(3,—1),B(—4.5)

6x+7y=11 X+6y=15 5x+8y=12 7x+6y=8 Analytic Geometry William Quiming

788 Find the equation of the line determined by the points A and B where A(0,2),B(4,—6).

2x+y—2=0 X+2y—2=5 X+2y—4=8 X + y—1=0 Analytic Geometry William Quiming

787 Find the equation of the line determined by the points A and B where A (—6, —1), B(4, 1).

Y + 1 = 0 X +y = 2 Y = 0 -6x – y = 0 Analytic Geometry William Quiming

2000 When f”(x) is negative the curve of y = f(x) is concave_____________.

Downward To the right Upward To the left Differential Calculus William Quiming

1562 The L’Hopitals rule was formulated by J. Bernoulli Marrione de L’Hopital Marquis de L’Hopital I. Newton Differential Calculus William Quiming

2094 Who invented the symbol for infinity? John Wallis John Venn John Stockton John Napier Differential Calculus William Quiming

1957 What is the point where the second derivative is zero?

Inflection point Minima Maxima Point of intersection Differential Calculus William Quiming

1630 The operation of finding the derivative of a function.

Differentiation Differentiating Differential Integrating Differential Calculus William Quiming

1947 What is the limit of cos(1/y) as y approaches infinity?

1 0 -1 infinity Differential Calculus William Quiming

1288 Points of derivatives which do not exists (and so equals zero) are called

Minimum and maximum points

Minimum points Maximum points Stationary points Differential Calculus William Quiming

1641 The point on the curve where the first derivative of a function is zero and the

Minima Maxima Point of inflection Critical point Differential Calculus William Quiming


second derivative is positive is called1716 The sides of a triangle are 8, 15 and 17 units.

If each side is doubled , how many square units will the area of the new triangle be?

240 420 320 200 Differential Calculus William Quiming

1896 Water running out a conical funnel at the rate of one cubic inch per second. If the radius of the base of the funnel is 4 in and the altitude is 8 in, find the rate at which the water level is dropping when it is 2 inches from the top.

-1/9pi in/sec -4/9pi in/sec 2/3pi in/sec -3/2pi in/sec Differential Calculus William Quiming

1803 The volume of the sphere is increasing at the rate of 6 cm^3/hr. At what rate is its surface area increasing (in cm^2/hr) when the radius is 50 cm?

0.24 0.40 0.30 0.50 Differential Calculus William Quiming

1643 The point where the first derivative of a function is zero and the second derivative is positive.

Minimum point Maximum point Point of inflection Critical point Differential Calculus William Quiming

1644 The point where the second derivative of a function is zero.

Point of inflection Minimum point Point of intersection Maximum point Differential Calculus William Quiming

1467 The critical points of a graph occur where the derivative of a function is

Zero or approaches infinity

Approaches infinity Zero Either 1 or -1 Differential Calculus William Quiming

1469 The derivative of a function is identical to the________ of the graph of the function.

Slope Secant Tangent Normal Differential Calculus William Quiming

1470 The derivative of au with respect to x is Au ln a Au ln u Ua ln a Ua ln u Differential Calculus William Quiming

1475 The diameter of a circle is to be measured and its area computed. If the diameter can be measured with a maximum error of 0.001 cm. and the area must be accurate to within



0.10 sq.cm. find the largest diameter for which the process can be used.

1543 The function y = (x-4)/(x+2) is discontinuous at x = ?

-2 0 1 2 Differential Calculus William Quiming

784 Find the equation of the axis of symmetry of the function y = 2x^2 - 7x + 5.

4x - 7 = 0 7x - 4 = 0 x - 4 = 0 x - 7 = 0 Differential Calculus William Quiming

450 A window composed of a rectangle surmounted by an equilateral triangle has a total perimeter of 15 m. Find its width if it admits the maximum amount of light.


171 A function F(x) is called _________ of f(x) if F’(x) = f(x).

Antiderivative Derivative Implicit function Explicit function Differential Calculus William Quiming

814 Find the second derivative of y = x -2 when x = 2.


309 A printed page must contain 60 sq. m. of printed material. There are to be margins of 5 cm. on either side and margins of 3 cm. on top and bottom. How long should the printed lines be in order to minimize the amount of papers used?


299 A point on the curve where the second derivative of a function is equal to zero is called

Inflection point Minima Maxima Critical point Differential Calculus William Quiming

294 A point at which the curve changes from concave upward to concave downward and vice versa is known as

Point of inflection Point of deflection Point of intersection Yield point Differential Calculus William Quiming

813 Find the radius of curvature of the curve y = 2x^3 + 3x^2 at (1, 5).


812 Find the radius of a right circular cone having 10 17 19 20 Differential Calculus William


a lateral area of 544.12 sq. m. to have a maximum volume.

Quiming

808 Find the point of inflection of f(x) = x^3 – 3x^2 – x + 7

1, 4 1, 2 2, 1 3, 1 Differential Calculus William Quiming

844 Find two numbers whose sum is 20, if the product of one by the cube of the other is to be a maximum.

5 and 15 10 and 10 4 and 16 8 and 12 Differential Calculus William Quiming

807 Find the point in the parabola y^2 = 4x at which the rate of change of the ordinate and abscissa are equal.

(1,2) (2,1) (4,4) (-1,4) Differential Calculus William Quiming

394 A statue 3 m. high is standing on a base of 4 m. high. If an observer’s eye is 1.5 m. above the ground, how far should he stand from the base in order that the angel subtended by the statue is maximum?


727 Find dy/dx of y = 3 sin 2x. 6 cos 2x 6 cos x 3 cos 4x 3 sin 2x Differential Calculus William Quiming

562 At a point where y’ = 0, if y changes from positive to negative as x increases,

Y is maximum X is minimum Y is minimum X is maximum Differential Calculus William Quiming

1812 The_________ derivative of a function is the rate of change of the slope of the graph.

Second First Third Fourth Differential Calculus William Quiming

715 Evaluate the limit of (x - 4) / (x^2 - x - 12) as x approaches 4.

1/7 0 undefined infinity Differential Calculus William Quiming

713 Evaluate the limit (x - 4)/( x^2 - x -12) as x approaches 4.

1/7 Undefined 0 Infinity Differential Calculus William Quiming

1011 If y = tanhx, find dy/dx Sech2 x -sech2 x Sech x tanh x -sech x tanh x Differential Calculus William Quiming

531 An isosceles triangle with equal sides of 20 cm. has these at variable equal angles with



the base. Determine the maximum area of the triangle.

30 __________is also known as the composite function rule.

Chain rule Trapezoidal rule Simpson’s rule L’Hospital’s rule Differential Calculus William Quiming

1002 If the second derivative of the equation of a curve is equal to the negative of the equation of that same curve, the curve is

A sinusoid A paraboloid A cissoid An exponential Differential Calculus William Quiming

571 At the minimum point, the slope of the tangent line is

Zero Infinity Positive Negative Differential Calculus William Quiming

567 At point of inflection, Y” = 0 Y’ = 0 Y” is negative Y” is positive Differential Calculus William Quiming

1337 Solve (cos x cos y - cot x) dx - sin y dy = 0 Sin x cos y = ln (c sin x) Sin x cos y = ln (c cos x)

Sin x cos y = - ln (c sin x)

Sin x cos y = - ln (c cos x)

Differential Equation William Quiming

1522 The equation y^2 = cx is the general equation of

y' = y / 2x y' = 2x / y y' = 2y / x y' = x / 2y Differential Equation William Quiming

658 Determine the general solution of xdy + ydx = 0.

xy = C ln x + ln y = C x + y = C ln (xy) = C Differential Equation William Quiming

456 ABC Corporation makes its policy that for every new equipment purchased, the annual depreciation should not exceed 20% of the first cost at any time without salvage value. Determine the length of the service if the depreciation used is the SYD method

9 years 10 years 12 years 19 years Engineering Economics

William Quiming

499 An asset is purchased for P9000.00 Its estimated life is 10 years after which it will be sold for P1000.00 Find the book value during the first year if the sum of the years digit (SOYD) depreciation is used

P7,545.45 P6,500.00 P8,000.00 P6,000.00 Engineering Economics

William Quiming

1789 The uninflated present worth of P2000 in 2 6% 8% 7% 5% Engineering William


years is equal to P1471.07. What is the rate of inflation if the interest rate is equal to 10%?

Economics Quiming

521 An initial savings deposit of P80,000 in a certain bank earns 6% interest per annum compounded monthly. If the earnings from the deposit are subject to a 20% tax what would be the net value of the deposit be after 3 quarters?


William Quiming

497 An asset is purchased for P120000.00 Its estimated life is 10 years, after which it will be sold for P12000.00 Find the depreciation for the second year using the sum-of-the-years digit method

P17673 P19000 P18200 P18400 Engineering Economics

William Quiming

498 An asset is purchased for P9000.00 Its estimated economic life is 10 years after which it will be sold for P1000.00 Find the depreciation in the first three years using Straight line method


William Quiming

514 An equipment costs P7,000 has a life of 8 years and a salvage value of “x” after 8 years. If the book value of the equipment at the 4th year is equal to P2197.22 compute the salvage value “x” using the sum of the years digit method.

350 430 594 290 Engineering Economics

William Quiming

523 An interest rate is quoted as being 7.5% compounded quarterly. What is the effective annual interest rate?

7.71% 21.81% 7.22% 15.78% Engineering Economics

William Quiming

483 American Express Corp. charges 1.5% interest per month, compounded continuously on the


William Quiming


unpaid balance purchases made on this credit card. Compute the effective rate of interest.

1958 What is the present worth of two P100 payments at the end of the third and fourth year? The annual interest rate is 8%.


William Quiming

62 A bank is advertising 9.5% accounts that yields 9.84% annually. How often is the interest compounded?

Quarterly Bi-monthly Monthly Daily Engineering Economics

William Quiming

78 A businessman purchases a building for P4M cash and plans to sell it after 5 years. If he wants an 18% before-tax rate of return, after taking the 6% annual inflation rate into account, what would be the selling price after 5 years?

P12.246M P10.864M P13.483M P9.62M Engineering Economics

William Quiming

2105 You borrow P3,500 for one year from a friend at an interest rate of 1.5% per month instead of taking a loan from a bank at a rate of 18% per annum. Compare how much money you will save or lose on the transaction.

You will save P55 by borrowing from your friend

You will pay P115 more than if you borrowed from the bank

You will pay P85 more than if you borrowed from the bank

You will pay P55 less than if you borrowed from the bank

Engineering Economics

William Quiming

91 A certain amount was deposited 5 years and 9 months ago at an interest of 8% compounded quarterly. If the sum now is P315379.85, how much was the amount deposited?

P200,000 P180,000 P240,000 P260,000 Engineering Economics

William Quiming

126 A company invest P10,000 today to be repaid in 5 years in one lump sum at 12% compounded annually. How much profit in present day pesos is realized over 5 years?


William Quiming

2044 Which of the following gives the highest effective annual interest rate?

8% compounded annually

8% compounded semi-annually

8% compounded quarterly

8% compounded monthly

Engineering Economics

William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist127 A company purchases an asset for P10,000

and plans to keep it for 20 years. If the salvage value is zero at the end of the 20th year, what is the depreciation in the third year? Use sum-of-the-year digit method of depreciation.

P857 P1,000 P938 P747 Engineering Economics

William Quiming

142 A couple borrowed P4,000 from a lending company for 6 years at 12%. At the end of 6 years, it renews the loan for the amount due plus P4,000 more for 3 years at 12%. What is the lump sum due?


William Quiming

1990 What will be the future worth of money after 12 months, if the sum of P 25,000 is invested today at simple interest rate of 1% per month?

P 28,000 P 29,000 P 30,000 P 27,859 Engineering Economics

William Quiming

161 A firm borrows P2,000 for 6 years at 8%. At the end of 6 years, it renews the loan for the amount due plus P2,000 more for 2 years at 8%. What is the lump sum due?


William Quiming

212 A machine cost P7,350 has a life of 8 years and has a salvage value of P350 at the end of 8 years. Determine its best value at the end of 4 years using the Sum-of-the-years Digit method.


William Quiming

213 A machine has a first of P80,000 and a salvage value of P2,000 at the end of its life of 10 years. Find the book value at the end of sixth year using straight line method of depreciation.


William Quiming

1931 What is the effective rate corresponding to 19.72% 19.39% 18.1% 18.35% Engineering William


18% compounded daily? Take one year is equal to 360 days.

Economics Quiming

215 A machine has an initial cost of P50,000.00 and a salvage value of P10,000.00 after 10 years. What is the straight-line method depreciation rate as a percentage of the initial cost?

8% 10% 12% 9% Engineering Economics

William Quiming

1915 What is the accumulated amount after three years of P6,500 invested at the rate of 12% per year conpounded semi-annually?


William Quiming

218 A man borrows money from a bank which uses a simple discount rate at 14%. He signs a promissory note promising to pay P500 per month at the end of 4th, 6th , and 7th months respectively. Determine the amount of money that he received from the bank.


William Quiming

1955 What is the nominal rate of interest compounded continuously for 8 years if the present worth factor is equal to 0.6187835?


William Quiming

1954 What is the nominal rate of interest compounded continuously for 10 years if the compounded AMount factor is equal to 1.34986?


William Quiming

219 A man expects to receive P25,000 in 8 years. How much is that worth now considering interest at 8% compounded quarterly?


William Quiming

224 A man wishes to have P40,000 in a certain fund at the end of 8 years. How much should he invest in the fund that will pay 6% compounded continuously?


William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist244 A merchant has three items on sale, namely a

radio for P50, a clock for P30 and a flashlight for P1.00. At the end of the day, he has sold a total of 100 of the three items and has taken exactly P1000 on the total sales. How many radios did he sell?


William Quiming

268 A nominal interest of 3% compounded continuously is given on the account. What is the accumulated amount of P10,000 after 10 years?


William Quiming

320 A provincial chapter of IECEP held a lottery to raise funds for their organization, with P10, 000 top prize and with 2,000 tickets printed and sold. What is the mathematical expectation of a member if he bought 10 tickets?


William Quiming

443 A VOM has a selling price of P400. If its selling proce is expected to decline at a rate of 10% per annum due to obsolence, what will be its selling price after 5 years?

P236.20 P213.10 P249.50 P200.00 Engineering Economics

William Quiming

602 By the condition of a will, the sum of P2,000 is left to a girl to be held trust fund by her guardian until it amounts to P50,000.00. When will the girl received the money if the fund is invested at 8% compounded quarterly?

11.57 years 10.24 years 7.98 years 10.45 years Engineering Economics

William Quiming

1930 What is the difference of the amount 3 years from now for a 10% simple interest and 10% compounded interest per year?

P155 P100 Same P50 Engineering Economics

William Quiming

1929 What is the corresponding effective interest 19.48% 19.25% 18.46% 18.95% Engineering William


rate of 18% compounded semi-quarterly? Economics Quiming214 A machine has an initial cost of P50,000.00

and a salvage value of P10,000.00 after 10 years. What is the book value after 5 years using straight-line depreciation?


William Quiming

1064 In year zero, you invest P10,000 in a 15% security for 5 years. During that time, the average annual inflation is 6%. How much, in terms of year zero will be in the account at maturity?


William Quiming

1275 P200,000 was deposited on January 1 1988 at an interest rate of 24% compounded semi-annually. How much would the sum be on Jan. 1, 1993?


William Quiming

1274 P200,000 was deposited for a period of 4 years and 6 months and bears on interest of P85649.25. What is the rate of interest if it is compounded quarterly?


William Quiming

1273 P200,000 was deposited at an interest rate of 24% compounded semi-annually. After how many years will the sum be P621170?


William Quiming

1242 Mr. Almagro made a money market placement of P1,000,000 for 30 days at 7.5% per year. If the withholding tan is 20%, what is the net interest that Mr. Almagro will receive at the end of the month?


William Quiming

1241 Money was invested at x% compounded quarterly. If it takes the money to quadruple in 17.5 years, find the value of x.


William Quiming

1240 Money borrowed today is to be paid in six P10,834.38 P10,382.34 P10,566.35 P10,200.23 Engineering William


equal payments at the end of six quarters. If the interest is 12% compounded quarterly. How much was initially borrowed if quarterly payment is P2,000.00?

Economics Quiming

978 If money is worth 8% compounded quarterly, compute the single payment amount factor for a period of 6 years.

1.60844 0.62147 1.70241 0.53216 Engineering Economics

William Quiming

980 If P1,000 becomes P1,126.49 after 4 years when invested at a certain nominal rate of interest compounded semi-annually, determine the nominal rate and the corresponding effective rate.

3% and 3.02% 4.29% and 4.32% 2.30% and 2.76% 3.97% and 3.95% Engineering Economics

William Quiming

1202 Maria sold a drafting pen for P612 at a loss of 25% on her buying price. Find the corresponding loss or gain in percent if she had sold it for P635?


William Quiming

981 If P5,000 shall accumulate for 10 years at 8% compounded quarterly, find the compounded interest at the end of 10 years.


William Quiming

982 If P500,000 is deposited is deposited at a rate of 11.25% compounded monthly, determine the compounded interest after 7 years and 9 months.

690,849 670,258 680,686 660,592 Engineering Economics

William Quiming

1276 P4000 is borrowed for 75 days at 16% per annum simple interest. How much will be due at the end of 75 days?


William Quiming

1179 It takes 13.87 years to treble the money at the rate of x% compounded quarterly. Compute the value of x.


William Quiming

998 If the nominal interest rate is 3%, how much P6750 P5750 P7500 P6350 Engineering William


is P5,000 worth in 10 years in a continuously compounded account?

Economics Quiming

989 If the effective annual interest is 4% compute the equivalent nominal annual interest compounded continuously.


William Quiming

990 If the effective interest rate is 24%, what nominal rate of interest is charged for a continuously compounded loan?


William Quiming

994 If the inflation rate is 6%, cost of money is 10%, what interest rate will take care of inflation and the cost of money.


William Quiming

997 If the nominal interest is 12% compounded continuously, compute the effective annual rate of interest.


William Quiming

1027 In buying a computer disk the option of paying P250 cash at the end of 30 days or P270 at the end of 120 days. At what rate is the buyer paying simple interest if he agree to pay at the end of 120 days.


William Quiming

629 Compute the difference in the future AMount of P500 compounded annually at nominal rate of 5% and if it is compounded continuously for 5 years at the same rate.


William Quiming

150 A deposit of P1,000 is made in a blank account that pays 8% interest compounded annually. Approximately how much money will be account after 10 years?


William Quiming

1000 If the rate of interest is 12% compounded annually, find the equivalent rate of interest if it is compounded quarterly.


William Quiming


1019 In a dice game, one fair die is use. The player wins P20 if he rolls either a 1 or a 6. He loses P10 if he turns up any other face. What is expected winning for one roll of the die?

P0 P3.33 P5.00 P6.67 Engineering Economics

William Quiming

1005 If the single payment amount factor for a period of 5 years is 1.33822. What is the nearest value of the interest rate?

6% 7% 5.10% 8% Engineering Economics

William Quiming

1014 If you borrowed money from your friend with simple interest of 12%, find the present worth of P50000 which is due at the end of 7 months.


William Quiming

1006 If the single payment present factor for a period of 8 years is equal to 0.58201, compute the nearest value of the rate of interest for that period.

7% 6% 6.5% 8% Engineering Economics

William Quiming

1180 It takes 20.15 years to quadruple your money if invested at x% compounded semi-annually. Find the value of x.

7% 6.5% 8% 5% Engineering Economics

William Quiming

1465 The cost of equipment is P500,000 and the cost of installation is P30000. If the salvage value is 10% of the cost of the equipment at the end of 5 years, determine the book value at the end of the fourth year. Use straight method.

146,000 140,000 155,000 132,000 Engineering Economics

William Quiming

734 Find the annual payment to extinguish a debt of P 10,000 payable for 6 years at 12% interest annually.


William Quiming

1491 The effective rate of interest of 14% compounded semi-annually is:


William Quiming

1277 P500,000 was deposited 20.15 years ago at P2,000,000 P3,000,000 P4,000,000 P5,000,000 Engineering William


an interest rate of 7% compounded semi-annually. How much is the sum now?

Economics Quiming

723 Fifteen years ago P1000 was deposited in a bank account, and today it is worth P2370. The bank pays interest semi-annually. What was the interest rate paid on this account?


William Quiming

640 Convert 12% semi-annually to compounded quarterly.


William Quiming

637 Consider a deposit of P600 to be paid back in one year by P700. What are the conditions on the rate of interest, i% per year compounded annually, such that the net present worth of the of the investment is positive? Assume i ? 0.

0 < i < 16.7% 0 < i < 14.3% 12.5% ? i < 14.3% 16.7% ? i ? 100% Engineering Economics

William Quiming

631 Compute the effective annual interest rate which is equivalent to 5% nominal annual interest compounded continuously.


William Quiming

809 Find the present worth of a future payment of P100,000 to be made in ten years with an interest of 12% compounded quarterly.


William Quiming

1386 The amount of P50,000 was deposited in the bank earning an interest of 7.5% per annum. Determine the total AMount at the end of 5 years, if the principal and interest were not withdrawn during the period?


William Quiming

1385 The amount of P12,800 in 4 years at 5% compounded quarterly is


William Quiming

630 Compute the discount if P2000 is discounted for 8% simple interest.


William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist820 Find the time required for a sum of money to

triple itself at 5% per annum compounded continuously?

21.97 years 25.34 years 18.23 years 23.36 years Engineering Economics

William Quiming

905 How long will it take money to double itself if invested at 5% compounded annually?

14years 28 years 7years 21 years Engineering Economics

William Quiming

1300 Reduction in the level of national income and output usually accompanied by a fall in the general price level.

Deflation Inflation Depreciation Devaluation Engineering Economics

William Quiming

948 How much must be deposited at 6% each year beginning on January 1, year 1, in order to accumulate P5000 on the date of the deposit, January 1, year 6?


William Quiming

773 Find the discount if P2000 is discounted for 6 months at 8% simple discount.


William Quiming

949 How much must you invest today in order to withdraw P2,000 annually for 10 years if the interest rate is 9%?


William Quiming

946 How many years will P100,000 earned a compounded interest of P50,000 if the interest rate is 9% compounded quarterly?


William Quiming

904 How long (years) will it take money to quadruple if it earns 7% compounded semi-annually?


William Quiming

963 If a sum of money triples in a certain period of time at a given rate of interest, compute the value of the single payment present worth factor.

0.333 3 0.292 10962 Engineering Economics

William Quiming

1278 P500,000 was deposited at an interest of 6% compounded quarterly. Compute the

163,475.37 178,364.37 158,270.37 183,327.37 Engineering Economics

William Quiming


compounded interest after 4 years and 9 months.

1692 The ratio of the magnetic induction to the applied magnetic field for a material

Magnetic permeability Magnetic induction Magnetic field Magnetic susceptibility Engineering Materials

Anthony V. Cruzat

1693 The ratio of the permeability of a material to the permeability of a vacuum

Relative permeability Magnetic permeability

Permeability ratio Magnetic ratio Engineering Materials

Anthony V. Cruzat

1690 The ratio of the capacitance of a capacitor using a material between the plates of a capacitor compared to that of the capacitor when there is a vacuum between the plates

Dielectric constant Dielectric ratio Dielectric strength Capacitance Engineering Materials

Anthony V. Cruzat

1689 The ratio of magnetization to applied magnetic field

Magnetic susceptibility Magnetic permeability

Relative permeability Suceptibility ratio Engineering Materials

Anthony V. Cruzat

1073 Iron-carbon silicon alloys with 2.0 - 2.6% carbon and 1.1 - 1.6% silicon

Malleable cast iron White cast iron Gray cast iron Ductile cast iron Engineering Materials

Anthony V. Cruzat

1694 The ratio of the radius of the central cation to that of the surrounding anions

Radius ratio Critical radius ratio Cation radius ratio Anion radius ratio Engineering Materials

Anthony V. Cruzat

1691 The ratio of the central cation to that of the surrounding anions when all the surrounding anions just touch each other and the central cation

Critical radius ratio Radius ratio Cation radius ratio Anion radius ratio Engineering Materials

Anthony V. Cruzat

1068 Inorganic, nonmetallic materials which consist of metallic and nonmetallic elements bonded together primarily by ionic and/or covalent bonds.

Ceramic materials Solid materials Composite materials Compound materials Engineering Materials

Anthony V. Cruzat

1291 Preferential corrosive attack of a metal under stree in a corrosive environment

Stress corrosion Pitting corrosion intergranular corrosion

Weld decay Engineering Materials

Anthony V. Cruzat

1062 In this type of casting the molten metal is poured into a permanent metal mold under cavity

Permanent-mold casting

Die casting Sand casting Large casting Engineering Materials

Anthony V. Cruzat


1116 it is an important engineering metal, and because of its high electrical conductivity, it is used to a large extent in the electrical industry

Unalloyed copper Alloyed copper Electrical copper Industrial copper Engineering Materials

Anthony V. Cruzat

1227 Metals and alloys which do not contain iron or if they do contain, it is only in a relatively smale percentage

Nonferrous metals Composite materials Metallic materials Ceramic materials Engineering Materials

Anthony V. Cruzat

1584 The maximum value of induction for a ferromagnetic material

Saturation induction Super induction Remanent induction Saturation magnetization

Engineering Materials

Anthony V. Cruzat

1696 The ratio of the volume of oxide formed to the volume of metal consumed by oxidation

Pilling-Bedworth (.B.) ratio

Corrosion ratio Polarization ratio Electromotive force ratio


Anthony V. Cruzat

1589 The metal billet is placed in a container of an extrusion press and forced directly through the die by the ram

Direct extrusion Indirect extrusion Extrusion Annealing Engineering Materials

Anthony V. Cruzat

1269 One which is capable of being highly magnetized

Ferromagnetic material Magnetic material Non-ferromagnetic material

Ferrimagnetic material Engineering Materials

Anthony V. Cruzat

1281 Permanent deformation of metals and alloys above the remperature at which a strain-free microstructure is produced continuously

Hot working temperature

Cold working temperature

Annealing Extrusion Engineering Materials

Anthony V. Cruzat

1307 Reffered to us as a quantum of radiation Photon Quantum number Quantum atoms X-rays Engineering Materials

Anthony V. Cruzat

1282 Permanent deformation of metals and alloys below the temperature at which a strain-free microstructure is produced continuously

Cold working temperature

Hot working temperature

Annealing Extrusion Engineering Materials

Anthony V. Cruzat

1290 Preferential corrosion occuring at grain boundaries or at regions adjacent to the grain boundaries

Intergranular corrosion Pitting corrosion Stress sorrosion Weld decay Engineering Materials

Anthony V. Cruzat

1072 Iron-carbon silicon alloys with 1.8 - 3.6 % carbon and 0.5 - 1.9% silicon

White cast iron Gray cast iron Ductile cast iron Malleable cast iron Engineering Materials

Anthony V. Cruzat


1598 The molecular mass of a polymer chain divided by the molecular mass of its mer.

Degree of polymerization

Copolymerization Chain polymerization Functionality Engineering Materials

Anthony V. Cruzat

1626 The number of protons in the nucleus of an atom of an element

Atomic number Quantum number Number of protons Numbering Engineering Materials

Anthony V. Cruzat

1632 The packing of molecular chains into a stereoregular arrangement with a high degree of compactness.

Crystallinity Chain polymerization Bulk polymerization Solution polymerization


Anthony V. Cruzat

1646 The polymer produce by the polymerization of ethylene

Polyetheylene Thermoethylene Ethylene polymer Ethylene monomer Engineering Materials

Anthony V. Cruzat

1595 The minimum radius which a particle of a new phase formed by necleation must have to become a stable nucleus.

Critical radius Phase radius Normal radius Stable radius Engineering Materials

Anthony V. Cruzat

1622 The number of equidistant nearest neighbors to an atom or iron in a unit cell of a crystal structure

Coordination number Quantum number Atomic number Quantization number Engineering Materials

Anthony V. Cruzat

1621 The number of atoms whose centers lie on a specific direction on a specific length of line in a unit cube.

Linear density Cubic density Planar density Volume density Engineering Materials

Anthony V. Cruzat

1852 This isomer has pendant groups of atoms regualrly alternating in positions on both sides of a vinyl polymer

Syndiotactic isomer Stereoisomers Isotactic isomer Atactic isomer Engineering Materials

Anthony V. Cruzat

1802 The volume of atoms in a selected unit cell divided by the volume of the unit cell

Atomic packing factor Volume ratio Unit cell ratio Cubic ratio Engineering Materials

Anthony V. Cruzat

1264 One point in an array in which all the points have identical surroundings

Lattice point Unit center Space lattice Crystal point Engineering Materials

Anthony V. Cruzat

1619 The number of active bonding sites in a monomer.

Functionality Degree of polymerization

Copolymerization Chain polymerization Engineering Materials

Anthony V. Cruzat

1616 The negatively charged electron move in the direction opposite to the applied field

Convetional flow Electron flow Current flow Energy flow Engineering Materials

Anthony V. Cruzat


1610 The most important material of the group of thermoplastics

Acrylics Polymethyl methacrylate

Plastomers Ethylene Engineering Materials

Anthony V. Cruzat

1587 The measure of the difficulty of electric current to pass through a volume of material

Electric resistance Resistance Resistivity Electrical resistivity Engineering Materials

Anthony V. Cruzat

1714 The set of four numbers necessary to characterize each electron in an atom

Quantum number Atomic number Electron configuration Four number system Engineering Materials

Anthony V. Cruzat

1581 The maximum electric field that a dielectric can withstand without electrical breakdown

Dielectric strength Dielectric constant Dielectric ratio Dielectricity Engineering Materials

Anthony V. Cruzat

1650 The potential energy associated with the disorder of dipole moments in the wall volume between magnetic domains

Domain wall energy Exchange energy Magnetostatic energy Magnetostrictive energy


Anthony V. Cruzat

1593 The migration of solute atoms in a solvent lattice in which the solute and solvent atoms are approximately the same size

Substitutional diffusion Self-diffusion Interstitial diffusion Volume diffusion Engineering Materials

Anthony V. Cruzat

1592 The migration of interstitial atoms in a matrix lattice.

Interstitial diffusion Self-diffusion Substitutional diffusion

Volume diffusion Engineering Materials

Anthony V. Cruzat

1591 The migration of atoms in a pure material Self-diffusion Substitutional diffusion

Interstitial diffusion Volume diffusion Engineering Materials

Anthony V. Cruzat

1590 The metal electrode in an electrolytic cell which dissolves as ions and supplies electrons to the external circuit

Anode Electrode Cathode Galvanic cell Engineering Materials

Anthony V. Cruzat

1588 The meatl electrode in an eletrolytic cell which accepts electrons

Cathode Anode Electrode Galvanic cell Engineering Materials

Anthony V. Cruzat

1620 The number of atoms in one relative gram-mole or mole of an element.

Avogadro's number Atomic number Gram-mole ratio Number of moles Engineering Materials

Anthony V. Cruzat

1586 The maximum value of magnetization for a ferromagnetic material

Saturation magnetization

Super magnetization Remanent magnetization

Coersive force Engineering Materials

Anthony V. Cruzat

1585 The maximum value of induction or magnetization for a ferromagnetic material

Saturation induction or saturation

Saturation Magnetization Induction Engineering Materials

Anthony V. Cruzat


magnetization1059 In this stage the austenite of the iron can be

tranformed to three basic types of matrixesCooling Graphitization Casting Annealing Engineering

MaterialsAnthony V. Cruzat

1605 The mosr abundant metallic element in the earth's crust and always occurs in the combined state with other elements

Aluminum Copper Nickel Silver Engineering Materials

Anthony V. Cruzat

1665 The process of reheating a quenched steel to increase its toughness and ductility

Tempering Austenitizing Hardenability Casting of steel Engineering Materials

Anthony V. Cruzat

1609 The most commonly used method of doping silicon semiconductors

Planar proces Doping process Intrinsic process Extrinsic process Engineering Materials

Anthony V. Cruzat

1663 The process of extending the polymer chain by the successive addition of monomer units

Propagation Polymerization Functionality Crystallinity Engineering Materials

Anthony V. Cruzat

1821 These alloys have a minimum of 99.0% aluminum with rion and silicon being the major impurities

1xxx alloys 3xxx aloys 5xxx alloys 7xxx alloys Engineering Materials

Anthony V. Cruzat

1833 These steels are essentially Fe-Cr alloys containing 12 to 17% Cr with sufficient carbon so that a martensitic structure can be produced by quenching from the austenitic phase region

Martensitic stainless steel

Austenitic stainless steels

Ferritic stainless steels Metallic stainless steels


Anthony V. Cruzat

1753 The temperature at which a ferroelectric material on cooling undergoes a scrystal structure change which produces spontaneous polarization in the material

Curie temperature Ferroelectric temperature

Electric temperature Dielectric temperature Engineering Materials

Anthony V. Cruzat

1739 The sum of the applied field H and the magnetization M due to the insertion of a given material into the applied field

Magnetic induction Magnetic permeability

Magnetization Magnetic susceptibility Engineering Materials

Anthony V. Cruzat

1732 The statement that no two electrons can have the same four quantum number

Pauli exclusion principle Electron principle Avoggadro's principle Curie electron principle


Anthon V. Cruzat


1726 The slowing down of the stopping of cathodic reactions

Cathodic polarization Activation polarization

Concentration polarization

Passivation Engineering Materials

Anthony V. Cruzat

1686 The rate of change of composition is equal ti the duffusivity times tha rate of change of the concentration gradient at constant temperature

Fick's second law of diffusion

Fick's first law of diffusion

Diffusion rate Diffussion volume Engineering Materials

Anthony V. Cruzat

1678 The protection of a metal which forms a passive film by the application of an externally impressed anodic current

Anodic protection Cathodic protection Galvanic protection Cathodic polarization Engineering Materials

Anthony V. Cruzat

1647 The polymerization mechanism whereby each polymer molecule increases in size at a rapid rate once growth has started

Chain polymerization Copolymerization Degree of polymerization

Stepwise polymerization


Anthony V. Cruzat

1668 The process whereby a cold-worked metal is heated to a sufficiently high temperature for a long-enough time to form a new strain-free grain structure

Recrystallization Recovery Deformation twinning Engineering stress-strain process


Anthony V. Cruzat

1577 The magnetic potential energy due to the external magnetic field surrounding a sample of a ferromagnetic material

Magnetostatic energy Domain wall energy Magnetostrictive energy

Exchange energy Engineering Materials

Anthony V. Cruzat

1664 The process of rearrangement of the orbitals Hybridization Polarization Ionization Quantization Engineering Materials

Anthony V. Cruzat

1777 The thrid step in the precipitaion-strengthening process

Aging Solutionizing Qeunching Martempering Engineering Materials

Anthony V. Cruzat

1661 The process of atoms moving over each other during the permanent deformation of a metal

Slip Hardness Slipbands Slip system Engineering Materials

Anthony V. Cruzat

1660 The process of adding small amounts of substitutional impurity atoms to silicon to produce extrinsic silicon semiconducting material

Doping Ingot Purifying Transfering Engineering Materials

Anthony V. Cruzat


1659 The process in which fine particles of a ceramic material become chemically bonded together at a temperature high enough for atomic diffusion to occur between the particles

Sintering Slip casting Firing Vintrification Engineering Materials

Anthony V. Cruzat

1704 The region in space about the nucleus of an atom in which an electron with a given set of quantum number is most likely to be found.

Atomic Orbitals Electron Cloud Electron configuration Electron shell Engineering Materials

Anthony V. Cruzat

1530 The first step in the precipitaion-strengthening process

Solutionizing Quenching Aging Martempering Engineering Materials

Anthony V. Cruzat

1711 The second step in the precipitation-strengthening process

Quenching Solutionizing Aging Martempering Engineering Materials

Anthony V. Cruzat

1655 The principal alloying element of this group is copper, but magnesium is laso added to most of these alloys

2xxx alloys 4xxx alloys 6xxx alloys 8xxx alloys Engineering Materials

Anthony V. Cruzat

1654 The principal alloying element of this group are magnesium and silicon which combine togeher to form an intermetallic compound


Anthony V. Cruzat

1653 The principal alloying element for this group of aluminum alloys are zinc, magnesium and copper


Anthony V. Cruzat

1651 The preferential removal of one element of a solid alloy by corrosion process

Selective leaching Intergranular corrosion

Passivation Weld decay Engineering Materials

Anthony V. Cruzat

1648 The polymerization mechanism whereby the growth of the polymer molecule proceeds by a stepwise intermolecular reaction


Chain polymerization Copolymerization Degree of polymerization


Anthony V. Cruzat

1205 Mass of the neutron 1.675 x 10^ -24 g 1.765 x 10^ -24 1.675 x 10^ -19 1.765 x 10^ -24 Engineering Materials

Anthony V. Cruzat

1236 Molecules which have the same chemical Stereoisomers Plastomers Polymers Monomers Engineering Anthony


composition but different structural arrangements

Materials V. Cruzat

1198 Majority carriers in an n-type semiconductor Conduction electrons Conduction holes Depletion electrons Depletion holes Engineering Materials

Anthony V. Cruzat

1232 Minority carriers in n-type semiconductors Holes Electrons Conduction holes Conduction electrons Engineering Materials

Anthony V. Cruzat

1199 Majority carriers in an p-type semiconductors Conduction holes Conduction electrons Depletion holes Depletion electrons Engineering Materials

Anthony V. Cruzat

1226 Metals and alloys which contain a large percentage of iron

Ferrous metals and alloys

Metallic materials Composite Materials Polymeric materials Engineering Materials

Anthony V. Cruzat

1220 Melting or formation of glass Vintrification Firing Sintering Slip casting Engineering Materials

Anthony V. Cruzat

1211 Materials which are mixtures of two or more materials

Composite materials Polymeric materials Ceramic materials Electronic materials Engineering Materials

Anthony V. Cruzar

1210 Materials which are characterized by high thermal and electrical conductivities

Metallic materials Materials Conducting materials Solid materials Engineering Materials

Anthony V. Cruzat

1209 Materials used in electronics, especially microelectronics

Electronic materials Electronic devices Microelectronics materials

Microelectronic devices


Anthony V. Cruzat

1208 Materials consisting of long molecular chains or networks of low-weight elements

Polymeric materials Light materials Composite materials Ceramic materials Engineering Materials

Anthony V. Cruzat

1764 The tensile modulus of a material divided by its density

Specific tensile modulus Specific tensile strength

Specific tensile elongation

Specific tensile deformation


Anthony V. Cruzat

1206 Mass per unit volume Volume density Planar density Linear density Density Engineering Materials

Anthony V. Cruzat

1256 One layer of multilayer laminate Laminate ply Prepreg Filament Tow Engineering Materials

Anthony V. Cruzat

1322 Shear force S divided by the area A over which the shear force acts

Shear stress Engineering stress Engineering strain Shearing strain Engineering Materials

Anthony V. Cruzat


1233 Minority carriers in p-type semiconductors Electrons Holes Conduction electrons Conduction holes Engineering Materials

Anthony V. Cruzat

1754 The temperature at which a ferromagnetic material when heated completely loses its ferromagnetism and becomes paramagnetism

Curie temperature Piere temperature Marie temperature Magnetic temperature Engineering Materials

Anthony V. Cruzat

1826 These are essentially iron-chromium binary alloys containing about 12 to 30% Cr.

Ferritic stainless steels Martensitic stainless steels

Metallic stainless steels



Anthony V. Cruzat

1811 The work or energy lost in tracing out a magnetic induction-magnetic field hysterisis loop

Hysterisis energy loss Eddy-current energy loss

Magnetic induction loss

Magnetization loss Engineering Materials

Anthony V. Cruzat

1792 The value of magnetic induction or magnetization in a ferromagnetic material after magnetic field is decreased to zero

Remanent induction or remanent magnetization

Remanent Induction Magnetization Engineering Materials

Anthony V. Cruzat

1788 The unfilled energy levels into which electronc can be excited to become conductive electrons.

Conduction band Valence band Energy band Intrinsic band Engineering Materials

Anthony V. Cruzat

1787 The type of charge carrier in the lowest concentration in a semiconductor

Minority carriers Majority carriers Electron Holes Engineering Materials

Anthony V. Cruzat

1786 The type of carrier most prevalent in a semiconductor

Majority carriers Minority carrier Electron Hole Engineering Materials

Anthony V. Cruzat

1778 The time rate pressure of charge through material

Electric current Current Electric density Electric charge Engineering Materials

Anthony V. Cruzat

1207 Materials consisting of compounds of metals and nonmetals

Ceramic materials Polymeric materials Metallic materials Composite materials Engineering Materials

Anthony V. Cruzat

1488 The ease of forming martensite in a steel upon quenching from austenitic condition

Hardenability Austenitizing Jominy hardenability test

Steel Casting Engineering Materials

Anthony V. Cruzat

1538 The formation of very small regions of a new solid phase at the interfaces of solid

Heterogeneous nucleation

Homogeneous nucleation

Nucleation Solidification Engineering Materials

Anthony V. Cruzat


impurities.1576 The magnetic moment produced in a ferro or

ferrimagnetism material by one unpaired electron without interaction from any others

Bohr magneton Bohr magnetism Bohr magnetism Bohr equation Engineering Materials

Anthony V. Cruzat

1575 The magnetic induction vs. magnetic field or magnetization vs. magnetic field graph traced out by the magnetization and demagnetization of a ferro- or ferrimagnetic material

Hysteresis loop Coercive force Soft magnetism Hard magnetism Engineering Materials

Anthony V. Cruzat

1574 The magnetic field due to an external applied magnetic field or the magnetic field produced by a current passing through a conducting wire or coil of wire

Magnetic field H Magnetic field L Magnetic field J Magnetic field K Engineering Materials

Anthony V. Cruzat

1561 The isomer of 1,4 polyisoprene whioch has the methyl group and hydrogen on the same side of the central double bond of its mer

cis-1,4 polyisoprene trans-1,4 polyisoprene

Vulcanization Plasticizers Engineering Materials

Anthony V. Cruzat

1560 The isomer of 1,4 polyisoprene which has the methyl group and hydrogen on opposite sides of the central double bond of its mer

trans-1,4 polyisoprene csi-1,4 polyisoprene Plasticizers Vulcanization Engineering Materials

Anthony V. Cruzat

1558 The intermetallic compound; a hard and brittle substance

Cementite Austenite Pearlite Martensite Engineering Materials

Anthony V. Cruzat

1553 The impurity atoms is called Dopants Doping atoms Solute Solvent Engineering Materials

Anthony V. Cruzat

1548 The hardening of a metal or alloy by cold working

Strain hardening Hadness Ultimate tensile strength

Engineering hardening Engineering Materials

Anthony V. Cruzat

1541 The fourth largest tonnage thermoplastic Polystyrene Polyethylene Polymer Copolymer Engineering Materials

Anthony V. Cruzat

1440 The center of the temperature range where a heated thermoplastic upon cooling changes

Glass transistion temperature

Polymer transisiton temperature

Crystal transisition temperature

Glass central temperature


Anthony V. Cruzat


from a rubbery, leathery state to that of brittle glass

1485 The distribution of all the elctrons in an atom according to their atomic orbitals

Electron Configuration Electron cloud Electron shell Valence electron Engineering Materials

Anthony V. Cruzat

1330 Small particle of a new phase formed by a phase change which are not of critical size and which can redissolve

Embryos Nuclei Nucleus Nuetron Engineering Materials

Anthony V. Cruzat

1537 The formation of primary valence bonds between polymer chain molecules

Cross-linking Functionality Degree of polymerization



Anthony V. Cruzat

1492 The electric current per unit area Electric current density Current density Electric resistance Resistivity Engineering Materials

Anthony V. Cruzat

1535 The forcing of softened plastic material through an orifice, producing a continuous product

Extrusion Blow molding Compression molding Transfer molding Engineering Materials

Anthony V. Cruzat

1533 The flux of a duffusing species is proportional to the concentration gradient at constant temperature

Fick's first law of diffusion

Fick's secon law of diffusion

Diffusion Interstial diffusion Engineering Materials

Anthony V. Cruzat

1529 The first stage in the removal of the effects of cold working when acold worked metal is slowly heated with increasing temperature

Recovery Recrystallization Cold working Hot working Engineering Materials

Anthony V. Cruzat

1514 The energy required to remove an electron from its groud state in an atom to infinity

Ionization energy Kinetic energy Potential energy Stored energy Engineering Materials

Anthony V. Cruzat

1513 The energy required during the magnetization of a ferromagnetic material to rotate the magnetic domains because of crystalline anisotropy

Magnetocrystalline anisotropy energy

Exchange energy Domain wall energy Magnetostatic energy Engineering Materials

Anthony V. Cruzat

1508 The energy due to the mechanical stress caused by magnetostriciton in a ferromagnetic material

Magnetostrictive energy

Magnetostatic energy Exchange energy Domain wall energy Engineering Materials

Anthony V. Cruzat


1507 The energy band containing the valence electrons

Valence band Conduction band Energy band Intrinsic band Engineering Materials

Anthony V. Cruzat

1523 The equivalent number of atoms whose centers are intersected by a selected area divided by the selected area

Planar density Planar area Volume density Linear density Engineering Materials

Anthony V. Cruzat

1539 The formation of very small regions of a new solid phase in pure metal

Homogeneous nucleation

Heterogeneous nucleation

Solidification Nucleation Engineering Materials

Anthony V. Cruzat

1439 The center of temperature range in which a non-crystalline solid chages from being glass brittle to being viscous

Glass transition temperature

Curie tmeperature Glass reference Thermistor range Engineering Materials

Anthony V. Cruzat

1478 The displacement distance of the atoms around the dislocation

Slip Vacancy Imperfection Defect Engineering Materials

Anthony V. Cruzat

160 A fiber-reinforced plastic laminate produced by bonding together layers of fiber-reinforced sheets with some of the directions of the continuous fibers of the sheets being at different angles

Multidirectional laminate

Unidirectional laminate

Bidirectional laminate Tridirectional laminate Engineering Materials

Anthony V. Cruzat

1677 The protection of a metal by connecting it to a sacrificial anode or by impressing a dc voltage to make it a cathode

Cathodic protection Anodic protection Galvanic protection Cathodic polarization Engineering Materials

Anthony V. Cruzat

1477 The direct polymerization of liquid monomer to polymer in a reaction system in which the polymer remains soluble in its own monomer

Bulk Polymerization Solution polymerization

Suspension polymerization

Chain polymerization Engineering Materials

Anthony V. Cruzat

1471 The deterioration of a material resulting from chemical attack by its environment

Corrosion Passivation Polarization Sintering Engineering Materials

Anthony V. Cruzat

1466 The creation of a very large magnetization in a material when subjected to an applied magnetic field

Ferromagnetism Antiferromagnetism Diamagnetism Paramagnetism Engineering Materials

Anthony V. Cruzat

1454 The chemical reaction in which high- Copolymerization Polymerization Functionality Chain polymerization Engineering Anthony


molecular-mass molecules are formed from two or more monomers

Materials V. Cruzat

1453 The chemical reaction in which high-molecular-mass molecules are formed from monomers

Polymerization Chain polymerization Functionality Copolymerization Engineering Materials

Anthony V. Cruzat

1452 The chemical process by which the monomers are chemically combined into long-chain molecular polymers

Chain-growth polymerization

Chain polymerization Polymerization Degree of polymerization


Anthony V. Cruzat

1451 The charge of a proton + 1.602 x 10^ -19 C + 1. 673 x 10^ -24 C 1.602 x 10^ -24 C 1.673 x 10^ -19 C Engineering Materials

Anthony V. Cruzat

1536 The formation of a film of atoms or molecules on the surface of an anode so that corrosion is slowed down or stopped

Passivation Galvanic series Corrosion Cathodic polarization Engineering Materials

Anthony V. Cruzat

2101 Wrought aluminum alloys that can be precipitation-strengthened by heat treatment

Heat-treatable Non-heat-treatable Semi heat-treatable Good alloys Engineering Materials

Anthony V. Cruzat

1114 It is an important engineering metal and is widely used in the unalloyed consiton as well as combined with other metals in the alloyed form

Copper Aluminum Nickel Zinc Engineering Materials

Anthony V. Cruzat

1506 The energy associated with the coupling of individual magnetic dipoles into a single magnetic domain

Exchange energy Magnetostatic energy Domain wall energy Magnetostictive energy


Anthony V. Cruzat

1429 The basic unit of an element that can undergo chemical change

Atom Molecule Chemical atom chemical molecule Engineering Materials

Anthony V. Cruzat

1393 The applied magnetic field required to decrease the magnetic induction of a magnetized ferro- or ferrimagnetization material to zero

Coercive force Hysteresis Magnetic force Repulsive force Engineering Materials

Anthony V. Cruzat

1381 The additional energy required above the Activation energy Thermal energy Kinetic energy Potential energy Engineering Anthony


average energy for a thermally activated reaction to take place.

Materials V. Cruzat

1375 The ability of a metal to exist in two or more crystal structures.

Polymorphism Diastrophism Crystalization Polarization Engineering Materials

Anthony V. Cruzat

1356 Substances of which something is composed or made.

Materials Chemicals Compound Solution Engineering Materials

Anthony V. Cruzat

1351 Stress divided by strain in the elastic region of an engineering stress-strain diagram for a metal

Modulus of elasticity Yield strength Ultimate tensile strength

Elasticity Engineering Materials

Anthony V. Cruzat

1346 Strengthening a metal by alloying additions which form solid solutions

Solid-solution hardening

Hardness Strain hardening Strain strengthening Engineering Materials

Anthony V. Cruzat

1340 Sometimes used to refer specially to materials used to produce technical products

Engineering materials Raw materials Metallic materials Electronic materials Engineering Materials

Anthony V. Cruzat

1331 Small particles of a new phase formed by a phase change which can grow until the phase change is complete

Nuclei Nucleus Nuetron Embryos Engineering Materials

Anthony V. Cruzat

1442 The change in length of a ferromagnetic material in the direction of magnetization due to an applied magnetic field

Magnetostriction Magnetostatic Magnetocrystalline anisotropy

Magnetic domain Engineering Materials

Anthony V. Cruzat

1828 These are mainly pure compounds or nearly pure compounds of chiefly oxides, carbides or nitrides

Engineering ceramics Ceramics Alumina Glass Engineering Materials

Anthony V. Cruzat

1321 Shear displacement divided by the distance over which the shear acts

Shear strain Shear stress Engineering strain Engineering stress Engineering Materials

Anthony V. Cruzat

1850 This is used to remove water from the plastic ceramic body before it is fired at higher temperatures

Drying Sintering Firing Vitrification Engineering Materials

Anthony V. Cruzat

2100 Wrought aluminum alloys cannot be precipitation-strengthened but can only be

Non-heat-treatable Heat-treatable Semi heat-treatable Good aluminum Engineering Materials

Anthony V. Cruzat


cold-worked to increase their strength1995 When a sufficient wall thickness has been

formed, the casting process is interupted and the excess slip is poured out of the cavity. This process is called

Drain casting Solid casting Slip casting Sintering Engineering Materials

Anthony V. Cruzat

1888 Voltage applied to two eletrodes of an electronic device

Bias Conduction Depletion Voltage (rms) Engineering Materials

Anthony V. Cruzat

1885 Very dulite sustitutional solid solution in which the solute impurity atoms have different valence characteristics from the solvent atomic lattice

Extrinsic semiconductors

Intrinsic semiconductors

Depletion type semiconductors

Enhancement type semiconductors


Anthony V. Cruzat

1882 Used to give color, opacity and weatherability to PVC compounds

Pigments Heat stabilizers Lubricants Fillers Engineering Materials

Anthony V. Cruzat

1867 Two dissimilar metals in electrical contact with an electrolyte

Galvanic cell Anode Cathode Electrode Engineering Materials

Anthony V. Cruzat

1862 Thses materials are ferrimagnetic and are insulators and so can be used for high-frequency transfomer cores

Soft ferrites Hard ferrites Hard magnetic material

Soft magnetic material Engineering Materials

Anthony V. Cruzat

1858 This type of glass is strengthened by rapid air cooling of the surface of the glass after it has been heated to near its softening point

Tempered glass Hard glass Long glass Soft glass Engineering Materials

Anthony V. Cruzat

1717 The simplest and most versatile of the aluminum casting processes

Sand casting Permanent-mold casting

Die casting Large casting Engineering Materials

Anthony V. Cruzat

1853 This isomers has pendant group of atoms randomly arranged along a vinyl polymer chain

Atatic stereoisomers Isotatic isomers Syndiotactic isomers Stereoisomers Engineering Materials

Anthony V. Cruzat

1718 The simultaneous compaction and shaping of a ceramic powder by pressure applied uniformly in all directions

Isotactic pressing Dry pressing Slip casting Sintering Engineering Materials

Anthony V. Cruzat


1851 This isomer has pendant groups of atoms all on the same side of a vinyl polymer chain

Isotatic isomers Atactic isomers Syndiotactic isomers Stereoisomers Engineering Materials

Anthony V. Cruzat

1832 These materials have a hexagonal structure and are low cost and density

Hard ferrites Soft ferrites Hard magnetic material

Soft magnetic material Engineering Materials

Anthony V. Cruzat

1844 This composition makes a material that has good green body plasticity and a wide firing temperature range at a relatively low cost

Electrical porcelain Steatite procelains Fosterite Alumina Engineering Materials

Anthony V. Cruzat

1841 They are transparent, tough, strong, heat-resistant high performance engineering thermoplastics

Polysulfones Polcarbonate Acetals Polypthalamide Engineering Materials

Anthony V. Cruzat

1840 They are produced on a large scale in United States and have magnetic strengths superior to those of any commercial magnetic material

Rare-earth alloys Alnico alloys Iron-silicon alloys nickel-iron alloys Engineering Materials

Anthony V. Cruzat

1839 They are melt-processible thermoplastics whose main-chain structure incorporates a repeating amide group

Polyamides Thermosetting plastics

Polynomers Plastics Engineering Materials

Anthony V. Cruzat

1838 They are magnetic ceramic materials made by mixing iron oxide with other oxides and carbonated in the powdered form

Ferrites Alloys Ceramics Glass Engineering Materials

Anthony V. Cruzat

1837 They are good electrical insulators because they have low power-loss factors, low moisture absorption and good strength and are used extensively by the electronic and electrical appliance industries

Steatite porcelain Electrical porcelain Fosterite Alumina Engineering Materials

Anthony V. Cruzat

1836 They are added to PVC to prevent thermal degradation during processing and may also help to extend the life of the finished product

Heat stabilizers Lubricants Fillers Pigments Engineering Materials

Anthony V. Cruzat

1835 They are a family of ferrous alloys with a wide Cast irons White cast irons Ductile cast irons Gray cast irons Engineering Anthony


range of properties and as their name implies, they are intended to be cast into the desired shape instead of being worked in the solid state

Materials V. Cruzat

1857 This treatment increases the strength of the glass because applied tensile stresses must surpass the compressive stresses on the surface before fracture occurs

Tempering Sintering Firing Vitrification Engineering Materials

Anthony V. Cruzat

1200 Manganese is the principal alloying element of this group and strengthens aluminum mainly by solid-solution strengthening


Anthony V. Cruzat

1197 Magnesium is the principal alloying element of this group and is added for solid-solution strengthening in amounts up to about 5 %


Anthony V. Cruzat

1195 Long, thin grains in a solidified polycrystalline structure.

Columnar grains Equiaxed grains Grain structure Poly grains Engineering Materials

Anthony V. Cruzat

1191 Local corrosion attack resulting from the formation of small anodes on a metal surface

Pitting corrosion Intergranular corrosion

Stress corrosion Weld decay Engineering Materials

Anthony V. Cruzat

1186 Line markings on the surface if a metal due to slip caused by permanent deformation

Slipbands Slip Slip system Hardness Engineering Materials

Anthony V. Cruzat

1182 It was originally developed for refractory tubing and high-purity crucibles for high-temperature use and now has wide application

Alumina Aluminum Ceramics Glass Engineering Materials

Anthony V. Cruzat

1166 It occur by the addition of a terminator free radical or when two chains combine

Termination Propagation Polymerization Crystallinity Engineering Materials

Anthony V. Cruzat

1163 It is used to evaluate the strength of metals and alloys

Tensile test Tensile work Tensile stress Tensile strain Engineering Materials

Anthony V. Cruzat

1138 It is the most important commercial hard Alnico alloys Rare-earth alloys Iron-silicon alloys Nickel-iron alloys Engineering Anthony


magnetic materials in use today and account for about 35 % of the hard magnetic market in the United States

Materials V. Cruzat

1124 It is expensive because it is difficult to extract in the pure state from its compounds

Titanium Magnesium Copper Nickel Engineering Materials

Anthony V. Cruzat

1119 It is commonly doped with magnesium oxide, cold pressed and sintered

Aluminum oxide Alumina Slicon oxide Nitrogen oxide Engineering Materials

Anthony V. Cruzat

1765 The tensile strength of a material divided by its density

Specific tensile strength Specific tensile modulus

Specific tensile elongation

Specific tensile deformation


Anthony V. Cruzat

1115 It is an important engineering metal mainly because of its exceptional resistance to corrosion and high temperature oxidation

Nickel Magnesium Copper Titanium Engineering Materials

Anthony V. Cruzat

1834 These sttels are essentially iron-chromium-nickel ternary alloys containing about 16 to 25% Cr and 7 to 20% Ni


Martensitic stainless steels

Ferritic stainless steels Metallic stainless steels


Anthony V. Cruzat

1113 It is an essential step in the manufacturing of most ceramic products

Thermal treatments Drying Sintering Firing Engineering Materials

Anthony V. Cruzat

1105 It is a relatively new class of metallic-type materials whose dominant characteristics is a noncrystalline structure

Metallic glasses Hard glasses Soft glasses Glass Engineering Materials

Anthony V. Cruzat

1094 It is a light metal and completes with aluminum for applications requiring a low-density metal

Magnesium Nickel Titanium Copper Engineering Materials

Anthony V. Cruzat

1084 It has no alkali ions in a vitreous phase so that it has a higher resistivity and lower electrical loss with increasing temperature than the steatite insulators

Fosterite Steatite porcelain Alumina Electrical porcelain Engineering Materials

Anthony V. Cruzat

1075 Iron-carbon silicon alloys with 3.0 - 4.0 % carbon and 1.8 - 2.8% silicon

Ductile cast iron White cast iron Gray cast iron Malleable Engineering Materials

Anthony V. Cruzat


1074 Iron-carbon silicon alloys with 2.5 - 4% carbon and 1.0 - 3.0% silicon

Gray cast iron White cast iron Ductile cast iron Malleable cast iron Engineering Materials

Anthony V. Cruzat

1723 The slipbands are caused by the slip or shear deformation of metal atoms on specific crystallographic planes

Slip planes Slipbands Slip system Slip Engineering Materials

Anthony V. Cruzat

1722 The slip vector is perpendicular to the dislocation line

Edge dislocation Screw dislocation Line imperfection Vacancy Engineering Materials

Anthony V. Cruzat

1721 The slip vector is parallel to the dislocation line

Screw dislocation Edge dislocation Mixed dislocation Dislocation Engineering Materials

Anthony V. Cruzat

1719 The simultaneous uniaxial compaction and shaping of ceramic granular particles in a die

Dry pressing Isotactic pressing Slip casting Sintering Engineering Materials

Anthony V. Cruzat

1329 Single cross sections and hollow shapes of ceramic materials can be produced by extruding these materials in the plastic state through a forming die. This method is called

Extrusion Pressing Sintering Firing Engineering Materials

Anthony V. Cruzat

145 A crystalline imperfection in which a lattice distortion is centered around a line

Dislocation Vacancy Grain boundary Interstitialcy Engineering Materials

Anthony V. Cruzat

140 A convenient repeating unit of a space lattice. Unit cell Unit point Lattice constant Space lattice Engineering Materials

Anthony V. Cruzat

187 A high-molecular mass compound whose structure consists of a large number of small repeating units

Chain polymer Monomer Mer Thermoplastic Engineering Materials

Anthony V. Cruzat

183 A heat treatment given to a metal soften it Annealing Extrusion Forging Wire drawing Engineering Materials

Anthony V. Cruzat

1432 The boundary between two domains whose overall magnetic moments are at different orientations and is analogous to a grain boundary where crystal orientation changes from one grain to another

Domain wall Domain wall energy Magnetic materials Magnetic wall Engineering Materials

Anthony V. Cruzat

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist179 A group of electrons with the same principal

quantum numberElectron shell Quantum electrons Electron configuration Electron group Engineering

MaterialsAnthony v. Cruzat

291 A plastic material that has undergone a chemical reaction by the action of heat leading to a cross-linked network macromolecular structure

Thermosetting plastic Thermoplastic Monomer Chain polymer Engineering Materials

Anthony V. Cruzat

159 A fiber-reinforced plastic laminate produced by bonding together layers of fiber reinforced sheets which all have continuous fibers in the same direction in the laminate

Unidirectional laminate Multidirectional laminate

Bidirectional laminate Tridirectional laminate Engineering Materials

Anthony V. Cruzat

156 A family of permanent magnetic alloys with extremely high energy products

Rare-earth magnetic alloys

Iron-chromium-cobalt magneti calloys

Nickel-iron magnetic alloys

Iron-silicon magnetic alloys


Anthony V. Cruzat

155 A family of permanent magnetic alloys having the basic composition of Al, Ni and Co and about 25 to 50% Fe.

Alnico magnetic alloys Rare-earth magnetic alloys

Iron-chromium-cobalt magnetic alloys



Anthony V. Cruzat

154 A family of permanent magnetic alloys containing about 30% Cr - 10 to 23% Co and balance iron

Iron-chromium-cobalt magnetic alloys


Alnico magnetic alloys Iro-silicon magnetic alloys


Anthony V. Cruzat

76 A branch of physics in which systems under investigation can have only discrete allowed energy values which are separated by forbidden regions.

Quantum mechanics Quantum physics Applied physics General physics Engineering Materials

Anthony V. cruzat

253 A mixture of aplha ferrite and very small particles of ferricarbide particles produced by the decomposition of austenite

Bainite Martensite Pearlite Austenite Engineering Materials

Anthony V. Cruzat

312 A process in which wire stock is drawn through one or more tapered dies to the desired cross section

Wire drawing Forging Annealing Extrusion Engineering Materials

Anthony V. Cruzat

196 A kind of glass with high softening point Hard glass Soft glass Long glass Short glass Engineering Anthony


Materials V. Cruzat125 A combination of a slip plane and a slip

directionSlip system Slip Slipbands Hardness Engineering


122 A collection of numerous fibers in a straight-laid bundle and which is specified by certain number of fibers

Tow Aramid fibers Roving Carbon tibers Engineering Materials

Anthony V. Cruzat

121 A collection of bundles continuous fibers twisted or untwisted]

Roving Tow Aramid fibers Laminate Engineering Materials

Anthony V. Cruzat

109 A class of high-performance engineering thermoplastics materials. They are one of the strongest and stiffest thermoplastics and have excellent fatigue life and dimensional stability

Acetals Polycarbonate Polyphthalamide Polysulfones Engineering Materials

Anthony V. Cruzat

100 A chemical reaction that causes cross-linking of polymer chains

Vulcanization Plasticizer Elastomer Filler Engineering Materials

Anthony V. Cruzat

90 A ceramic shape-forming process in which a suspension of ceramic particles and water are poured into a porous mold and then some of the water from the cast material diffuses into the mold, leaving a solid shape in the mold

Slip casting Sintering Firing Pressing Engineering Materials

Anthony V. Cruzat

89 A ceramic semiconductor device which changes in resistivity as the temperature changes and is used to measure and control temperature

Thermostor Capacitor Potentiometer Resistor Engineering Materials

Anthony V. Cruzat

88 A ceramic material that is made from inorganic material at high temperatures and is distinguished from other ceramics in that its constituents are heated to fusion and then cooled to the rigid condition without crystallization

Glass Refractory material Transducer Dielectric Engineering Materials

Anthony V. Cruzat

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist495 An arrangement of metallic elements

according to their electrochemical potential in seawater with reference to standard electrode

Galvanic series Electromotive force series

Polarization Corrosion Engineering Materials

Anthony V. Cruzat

151 A device which is actuated by power from one source and transmits power in another form to a second system

Transducer Actuator Refractory Reactor Engineering Materials

Anthony V. Cruzat

306 A primary bond resulting from the sharing of delocalized outer electrons in the form of an electron charge cloud.

Metallic bond Covalent bond Ionic bond Permanent bond Engineering Materials

Anthony V. Cruzat

182 A heat reatment in which the steel is heated in the austenitic region ans the colled in the still air

Normalizing Firing Austenitizing Austempering Engineering Materials

Anthony V. Cruzat

522 An inorganic product of fusion which has cooled to a rigid consition without crystallization

Glass Ceramic Porcelain Plastic Engineering Materials

Anthony V. Cruzat

513 An engineering discipline which is primarily concerned with the use of fundamental and applied knowledge of materials so that they can be converted into products needed by society

Material Engineering Engineering Materials Material Science Solid Engineering Engineering Materials

Anthony V. Cruzat

512 An empirical equation which describes the rate of a reaction as a function of temperature and an activation energy barrier

Arrhenius rate equation Boltzmann equation Grain rate equation Thermal equation Engineering Materials

Anthony V. Cruzat

506 An electromechanical effect by which mechanical forces on a ferroelectric material can produce an electrical response and electrical forces produce a mechanical response

Piezoelectric effect Ferroelectric effect Transducer Temperature effect Engineering Materials

Anthony V. Cruzat

503 An electrical insulator material Dielectric Electrical insulator Rubber Plastic Engineering Anthony


Materials V. Cruzat502 An electri device consisting of conducting

plates or foils separated by layers of die electric material and which is capable of storing electric charge

Capacitor Conductor Transistor Inductor Engineering Materials

Anthony V. Cruzat

501 An atomic orbital obtained when two or more nonequivalent orbitals of an atom combine

Hybrid Orbital Bonding Electon Cloud Electron configuration Engineering Materials

Anthony V. Cruzat

500 An atom without its valence electrons Positive-ion core Negative-ion core Neutron Neutron-ion core Engineering Materials

Anthony V. Cruzat

575 At this temperature the glass is rigid Strain point Annealing point Working point Softening point Engineering Materials

Anthony V. Cruzat

370 A single crystal in a polycrystalline aggregate Grains Embryos Nuclei Crystal Engineering Materials

Anthony V. Cruzat

372 A slow step in the reaction sequence at the metal-electrolyte interface

Activation polarization Concentration polarization

Passivation Cathodic polarization Engineering Materials

Anthony V. Cruzat

247 A method of fabricating plastics in which a hollow tube is forced into the shape of a mold cavity by internal air pressure

Blow molding Injection molding Extrusion Compression molding Engineering Materials

Atnhony V. Cruzat

368 A simple molecular compound that can be covalently bonded together to form long molecular chains

Monomer Chain polymer Mer Thermoplastic Engineering Materials

Anthony V. Cruzat

307 A primary bond resulting from the sharing of electrons.

Covalent bond Ionic bond Permanent bond Metallic bond Engineering Materials

Anthony V. Cruzat

360 A semiconducting material that has been doped with p-type element

p-type extrinsic semiconductor

n-type extrinsic semiconductor

Intrinsic semiconductor

Extrinsic semiconductor


Anthony V. Cruzat

359 A semiconducting material that has been doped with an n-type element

n-type extrinsic semiconductor

p-type extrinsic semiconductor

Intrinsic semiconductor

Extrinsic semiconductor


Anthony V. Cruzat

357 A scientific discipline which is primarily Material Science Engineering Materials Material Engineering Science of Materials Engineering Anthony


concerned with the search for basic knowledge about the internal structure, properties and processing of materials

Materials V. Cruzat

349 A repeating unit in a chain polymer molecule Mer Polymer Thermoset Copolymer Engineering Materials

Anthony V. Cruzat

345 A regular three-dimensional pattern of atoms or ions in space.

Crystal structure Cube Tetragona;l Hexagonal Engineering Materials

Anthony V. Cruzat

339 A region in a ferro- or ferrimagnetic material in which all magnetic dipole moments are aligned

Magnetic domain Magnetic field Magnetic flux Magnetic dipoles Engineering Materials

Anthony V. Cruzat

330 A ready-to-mold plastic resin-impregnated cloth or mat which may contain reinforcing fibers

Prepreg Tow Filament Laminate ply Engineering Materials

Anthony V. Cruzat

316 A product made by bonding sheets of material together, usually with heat and pressure

Laminate Roving Tow Aramid fibers Engineering Materials

Anthony V. Cruzat

147 A crystalline structure which contains many grains

Polycrystalline structure

Columnar structure Critical structure Grain structure Engineering Materials

Anthony V. Cruzat

528 An ion with a positive charge Cation Anion Proton Electron Engineering Materials

Anthony V. Cruzat

573 At this temperature the glass can easily be worked

Working point Softening point Annealing point Strain point Engineering Materials

Anthony V. Cruzat

716 Experimental plot of engineering stress vs. engineering strain

Engineering stress-strain diagram

Engineering strain diagram

Engineering stress diagram

Engineering strain-stress diagram


Anthony V. Cruzat

696 Energy required to form the new solid surfaces of the solified particles

Surface energy Volume energy Activation energy formation energy Engineering Materials

Anthony V. Cruzat

437 A type of magnetism in which magnetic dipoles of atoms are aligned in opposite directions by an applied magnetic field so

Antiferromagnetisim Ferromagnetism Ferrimagnetism Paramagnetism Engineering Materials

Anthony V. Cruzat


that there is no net magnetization429 A time-temperature-transformation diagram

which indicates the time for a phase to decompose inot other phases isothermally at different temperatures

Isothermal transfomation diagram

Continuous-cooling transformation diagram

Martempering diagram

Austempering diagram Engineering Materials

Anthony V. Cruzat

428 A time-temperature-transformation diagram which indicated the time for a phase to decompose into other phases continuously at different rates of cooling

Continuous-cooling transofrmation diagram

Isothermal transformation diagram

Martempering diagram

Austempering diagram Engineering Materials

Anthony V. Cruzat

426 A three-dimensional array of points each of which has identical surroundings

Space Lattice Crystal structure Unit cell Cubic Engineering Materials

Anthony V. Cruzat

425 A three element, two junction semiconducting device

Bipolar transistor Transistor Field effect transistor MOSFET Engineering Materials

Anthony V. Cruzat

424 A thermoset molding process in which the molding compound is first softened by heat in a transfer chamber and then is forced under high pressure into one or more mold cavities for final curing

Transfer molding Compression molding Blow molding Injection molding Engineering Materials

Anthony V. Cruzat

1060 In this stage the white iron castings are heated above the eutectoid temperature, usually about 940 degrees and held for about 3 to 20 h depending on the composition, structure and size of the casting

Graphitization Cooling Casting Annealing Engineering Materials

Anthony V. Cruzat

447 A weak, positive, attractive reaction of a material to an applied magnetic field

Paramagnetism Diamagnetism Ferromagnetism Antiferromagnetism Engineering Materials

Anthony V. Cruzat

87 A catalyst which creates mostly used to polymerize propylene to mainly the isotactic polypropylene isomer

Stereospecific catalyst Syndiotactic catalyst Polypropylene catalyst Glass catalyst Engineering Materials

Anthony V. Cruzat

420 A test in which a 1-in diameter bar by 4 in Jominy hardenability Hardenability test Steel test Steel hardenability test Engineering Anthony


long is austenitized and then water-quenched at one end

test Materials V. Cruzat

252 A mixture of alpha ferrite and cementite phases in parallel plates produced by the eutectoid decomposition of austenite

Pearlite Cementite Martensite Austenite Engineering Materials

Anthony V. Cruzat

572 At this temperature stresses in the glass can be relieved

Annealing point Working point Softening point Strain point Engineering Materials

Anthony V. Cruzat

552 Appendages of one type of monomers are grafted to the long chain of another

Graft copolymers Block copolymers Random copolymers Alternating copolymers


Anthony V. Cruzat

540 Another metal forming process and is used for shaping flat sheet of metal into cup-shaped articles.

Deep drawing Wire drawing Extrusion Annealing Engineering Materials

Anthony V. Cruzat

537 An oxide which may act either as a glass former or as a glass modifier depending on the composition of the glass

Glass intermediate oxide

Glass-forming oxide Glass-modifying oxide Glass oxide Engineering Materials

Anthony V. Cruzat

536 An oxide which forms a glass easily Glass-forming oxide Glass-modifying oxide Glass intermediate oxide

Glass oxide Engineering Materials

Anthony V. Cruzat

535 An oxide which breaks up the silica network when added to silica glass

Glass-modifying oxide Glass-forming oxide Glass intermidiate oxides

Glass oxide Engineering Materials

Anthony V. Cruzat

1847 This is how much a liquid will not allow solids to flow through them.

Viscosity Density Elasticity None of the above Engineering Materials

William Quiming

1845 This is a word for how thick something is or how close the molecules are to one another.

Density Elasticity Viscosity None of the above Engineering Materials

William Quiming

842 Find the weight of a copper wire ½ in. in diameter and 2 miles long. Allow 550 lb. of copper to a cubic foot.

494.96 lb. 248.95 lb. 301.52 lb. 532.41 lb. Engineering Materials

William Quiming

33 __________is the quality of being plastically elongated.

Plasticity Flexibility Malleability Ductility Engineering Materials

William Quiming

525 An interstitial solid solution of carbon in FCC Austenite Cementite Pearlite Martensite Engineering Anthony


iron Materials V. Cruzat229 A material whose electrical conductivity is

approximately midway between the values of good conductors and insulators

Semiconductors Electrical semiconductors

Electric semiconductors

None of the above Engineering Materials

Anthony V. Cruzat

228 A material which can be polarized by appling an electric field

Ferroelectric material Electric material Nonferroelectric material

Dielectric material Engineering Materials

Anthony V. Cruzat

423 A thermoset molding process in which a molding compound is first placed in a molding cavity

Compression molding Blow molding Injection molding Extrusion Engineering Materials

Anthony V. Cruzat

245 A metal casting that is shaped for easy working or for recasting

Ingot Alloy Metal alloy Casting alloy Engineering Materials

Anthony V. Cruzat

242 A measure of the resistance of a material to permanent deformation

Hardness Slip Hardiness Elasticity Engineering Materials

Anthony V. Cruzat

239 A measure of the rate of diffusion in solids at a constant temperature

Diffusivity Diffusion state Diffusion State of diffusion Engineering Materials

Anthony V. Cruzat

238 A measure of the increase in magnetic flux due to the insertion of a given material into a magnetic field of strength H

Magnetization Ferrimagnetism Ferromagnetism Antiferromagnetism Engineering Materials

Anthony V. Cruzat

237 A measure of the ease of the electric current to pass through a unit volume of material

Electrical conductivity Electric conductivity Conductance Conductivity Engineering Materials

Anthony V. Cruzat

236 A measure of the difficulty of electric current to pass through a unit volume of material

Electrical resistivity Electric resistance Resistance Resistivity Engineering Materials

Anthony V. Cruzat

234 A measure of the ability of a capacitor to store electric charge

Capacitance Conductance Resistance Inductance Engineering Materials

Anthony V. Cruzat

232 A materials system composed of a mixture or combination of two or more micro- or macroconstituents that differ in form and chemical composition and which are essentially insoluble in each other

Compostie material Ceramic material Plastic material Solid material Engineering Materials

Anthony V. Cruzat

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist617 Change in length of sample divided by the

original lecgth of sampleEngineering strain Engineering stress Shearing stress Shearing strain Engineering


188 A high-purity aluminum Superpure aluminum Super aluminum Pure aluminum Aluminum Engineering Materials

Anthony V. Cruzat

230 A material with a high electrical conductivity Electrical conductor Conductor Conductance Electric conductor Engineering Materials

Anthony V. Cruzat

195 A kind of glass with a large temperature differencebetween its softening and strain points

Long glass Hard glass Soft glass Short glass Engineering Materials

Anthony V. Cruzat

227 A material that can withstand the action of a hot environment

Refractory material Ceramic material Metallic material Composite material Engineering Materials

Anthony V. Cruzat

226 A material that at room temperature stretches under a low stress to at least twice its length and then quickly returns to almost its original length upon removal of the stress

Elastomers Plastomers Filler Vulcanize Engineering Materials

Anthony V. Cruzat

217 A magnetic material with high coercive force and high saturation induction

Hard magnetic material Soft magnetic material



Anthony V. Cruzat

216 A magnetic material with a high permeability and low coercive force

Soft magnetic material Hard magnetic material

Magnetic anneal Iron-silicon magnetic alloys


Anthony V. Cruzat

211 A low-cost inert substance added to plastics make them less costly

Filler Plastomers Elastomers Vulcanize Engineering Materials

Anthony V. Cruzat

210 A long molecular chain Polymer Elastomers Plastic Thermoplastic Engineering Materials

Anthony V. Cruzat

205 A light-sensitive polymeric material Photoresit Resistor Diode Transistor Engineering Materials

Anthony V. Cruzat

201 A large and varied group of synthetic materials which are processed by forming or molding inot shape.

Plastic Plastomers Elastomers Polymer Engineering Materials

Anthony V. Cruzat

197 A kind of glass with low softening point Soft glass Hard glass Long glass Short glass Engineering Anthony


Materials V. Cruzat527 An ion with a negative charge Anion Cation Eletron Proton Engineering


231 A material with low electrical conductivity Electrical insulator Insulator Electric insulator Semiconductor Engineering Materials

Anthony V. Cruzat

674 Different monomers are randomly arranged within the polymer chains

Random copolymers Alternating copolymers

Block copolymers Graft copolymers Engineering Materials

Anthony V. Cruzat

402 A steel with 0.8 % carbon Eutectoid Austenite Alloys Bainite Engineering Materials

Anthony V. Cruzat

400 A steel less than 0.8 % carbon Hypoeutectoid Hypereutectoid Eutectoid Proeutectoid Engineering Materials

Anthony V. Cruzat

389 A special type of intermolecular permanent dipole atraction that occurs between a hydrogen atom bonded to a highly electronegative element and another atom of a highly electronegative element

Hydrogen bond Metallic bond Covalent bond Ionic bond Engineering Materials

Anthony V. Cruzat

383 A solid solution in which solute atoms of one element can replace those of solvent atoms of another element

Substitutional Interstitial Interstitialcy Frenkel Engineering Materials

Anthony V. Cruzat

382 A solid solution formed in which the solute atoms can enter the interstices of holes in the solvent-atom lattice

Interstitial Substitutional Vacancy Schotty Engineering Materials

Anthony V. Cruzat

381 A solid shape may be made by allowing the casting to continue until the whole mold cavity is filled. This type of process is called

Solid casting Drain casting Slip casting Firing Engineering Materials

Anthony V. Cruzat

376 A solid composed of atoms, ions or molecules arranged in a pattern that is repeated in three dimensions

Crystal Crystal structure Metal Ceramics Engineering Materials

Anthony V. Cruzat

695 Energy released by the liquid to solid Volume energy surface energy Activation energy Transformation energy Engineering Anthony


transformation Materials V. Cruzat694 Energy losses in magnetic materials while

using alternating fieldsEddy-current energy loss

Hysterisis energy loss Magnetic induction loss

Magnetization energy loss


Anthony V. Cruzat

686 Electrons in the outermost shells which are most often involve in bonding

Valence eletron Electron configuration Outer electron Electon shell Engineering Materials

Anthony V. Cruzat

591 Bias applied to a pn junction so that little current flowa

Reverse bias Forward bias Depletion bias Conduction bias Engineering Materials

Anthony V. Cruzat

675 Different monomers in the chain are arranged in relatively long blocks of each monomer

Block copolymers Random copolymers Alternating copolymers

Graft polymers Engineering Materials

Anthony V. Cruzat

361 A semiconducting material which is essentially pure and for which the energy gap is small enough

Intrinsic semiconductor Extrinsic semiconductor

Depletion type semiconductor

Enhancement type semiconductor


Anthony V. Cruzat

643 Corrosion attack at or adjacent to a weld as the result of galvanic action resulting from structural differences in the weld

Weld decay Pitting corrosion Intergranular corrosion

Stress corrosion Engineering Materials

Anthony V. Cruzat

625 Composite material consisting of a mixture of a matrix of a plastic material such as a polyster or epoxy strengthened by fibers of high strength such as glass, carbon or aramid

Fiber-reinforced plastics E-glass fibers S-glass fibers Aramid fibers Engineering Materials

Anthony V. Cruzat

411 A surface imperfection which separates crystals of different orientations in a polycrystalline aggregate

Grain boundary Grain Dislocation Schottky Engineering Materials

Anthony V. Cruzat

621 Chemical agents added to plastic compounds to improve flow and processibility and to reduce brittleness.

Plastomers Elastomers Filler Vulcanize Engineering Materials

Anthony V. Cruzat

847 Flat glass which is produced by having a ribbon of molten glass cool to the glass-brittle state while floating on the top of a flat bath

Float glass Thermally tempered glass

Chemically tempered glass

Flat glass Engineering Materials

Anthony V. Cruzat


of molten tin and under a reducing atmosphere

613 Cementite which forms during the eutectoid decomposition of austenite

Eutectoid cementite Eutectoid alpha ferrite

Cementite Martensite Engineering Materials

Anthony V. Cruzat

612 Cementite which forms by the decomposition of austenite at temperature above the eutectoid temperature

Proeutectoid cementite Proeutectoid alpha ferrite

Martensite Bainite Engineering Materials

Anthony V. Cruzat

609 Carbon fibers prodeced mainly from polyacrylonitrile or pitch which are stretched to align the fibrillar network structure within each carbon fibers

Carbon tibers Tow Roving Aramid fibers Engineering Materials

Anthony V. Cruzat

595 Bond formed by metal atoms by mutual sharing of valence electrons in the form of delocalized electron charge clouds

Metallic bond Covalent bond Ionic bond Permanent bond Engineering Materials

Anthony V. Cruzat

524 An interstitial solid solution in BCC iron Alpha ferrite Austenite Cementite Pearlite Engineering Materials

Anthony V. Cruzat

676 Different monomers show a definite ordered alternation

Alternating copolymers Random copolymers Block copolymers Graft copolymers Engineering Materials

Anthony V. Cruzat

308 A primary processing method for working metals into useful shapes in which the metal is hammered or pressed into shape

Forging Annealing Extrusion wire drawing Engineering Materials

Anthony V. Cruzat

305 A primary bond resulting from the electrostatic attraction of oppositely charged ions.

Ionic bond Colvalent bond Permanent bond Metallic bond Engineering Materials

Anthony V. Cruzat

303 A positive charge carrier Hole Proton Electron Neutron Engineering Materials

Anthony V. Cruzat

302 A polymer consisting of only one type of monomeric unit

Homopolymer Monomer Copolymer Chain polymer Engineering Materials

Anthony V. Cruzat

301 A polymer chain consisting of two or more Copolymer Homopolymer Monomer Chain polymer Engineering Anthony


types of monomeric units Materials V. Cruzat298 A point imperfection in an ionic crystal in

which a cations vacancy is associated with an interstitial cation

Frenkel Schottky Interstitialcy Vacancy Engineering Materials

Anthony V> Cruzat

297 A point imperfection in an ionic crystal in which a cation vacancy is associated with an anion vancancy

Schottky Frenkel Interstitialcy Vacancy Engineering Materials

Anthony V. Cruzat

296 A point imperfection in a crystal lattice where an atom of the same kind as those os the matrix lattice is positioned in a interstitial site between the matrix atoms

Self-interstitial Interstitial Frenkel Schottky Engineering Materials

Anthony V. Cruzat

295 A point imperfection in a crystal lattice where an atom is missing from an atomic site

Vacancy Interstitialcy Frenkel Schottky Engineering Materials

Anthony V. Cruzat

293 A pn junction diode which converts alternating current to direct current

Rectifier diode Diode Alternating diode Transformer Engineering Materials

Anthony V. Cruzat

292 A plastic material that requires heat to make it formable and upon cooling, retains its shape

Thermoplastic Thermosetting plastic Monomer Chain polymer Engineering Materials

Anthony V. Cruzat

403 A steel with 0.8 to 2.0 % carbon Hypereutectoid Hypoeutectoid Proeutectoid Eutectoid Engineering Materials

Anthony V. Cruzat

290 A plastic forming process in which a material under high pressure is produced in cross section by forcing it through an opening in a die

Extrusion Annealing Forging Wire drawing Engineering Materials

Anthony V. Cruzat

17 __________ is the quality of being plastically elongated.

Plasticity Malleability Ductility Flexibility Engineering Materials

William Quiming

279 A particle of radiation with a associated wavelength and frequency.

Photon X-rays Ultraviolet rays gamma rays Engineering Materials

Anthony V. Cruzat

269 A nominal number of grains per unit area at a Grain-size number Grain-average Grain volume Unit grain Engineering Anthony


particular magnification number Materials V. Cruzat264 A negative charge carrier Electron Proton Neutron Hole Engineering


263 A natural composite material consisting mainly of a complex array of cellulose fibers in a polymeric material matrix made up primarily of lignin

Wood Lignin Sapwood Asphalt Engineering Materials

Anthony V. Cruzat

259 A molding process whereby a heat-softened plastic material is forced by a screw-drive cylinder into a realtively cool mold cavity which gives the plastic the desired shape

Injection molding Blow molding Extrusion

Compression molding Transfer molding Engineering Materials

Anthony V. Cruzat

258 A modified quenching procedure used for steels to minimize distortion and cracking that may develop during uneven cooling of the heat-treated material

Matrtempering Austempering Tempering Austenitizing Engineering Materials

Anthony V. Cruzat

257 A mode of frature characterized by rapid crack propagation

Brittle fracture Ductile fracture Recovery Creep Engineering Materials

Anthony V. Cruzat

256 A mode of fracture characterized by slow crack propagation

Ductile fracture Brittle fracture Creep Recovery Engineering Materials

Anthony V. Cruzat

255 A mixture of two or more metals or nonmetal (metals) and nonmetal (nonmetals)

Alloy Metal Alloys Solution Composite Engineering Materials

Anthony V. Cruzat

254 A mixture of particles of cementite in an alpha ferrite matrix

Shperoidite Marteniste Bainite Pearlite Engineering Materials

Anthony V. Cruzat

590 Bias applied to a pn junction in the conducting direction

Forward bias Reverse bias Depletion bias Conduction bias Engineering Materials

Anthony V. Cruzat

1061 In this type of casting the identical parts are cast at maximum production rates by forcing molten metal under considerable pressure into metal molds

Die casting Premanent-mold casting

Sand casting Large casting Engineering Materials

Anthony V. Cruzat

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist466 Aging the alloys at elevated temperatures is

calledArtificial aging Normal aging Natural aging Abnormal aging Engineering


850 For a diffusing system the concentration of the diffusing species changes with time at different places in the system

Non-steady-state conditions

Steady-state conditions

Diffusion Diffusivity Engineering Materials

Anthony V. Cruzat

574 At this temperature the glass flows at an appreciable rate

Softening point Working point Annealing point Strain point Engineering Materials

Anthony V. Cruzat

961 If a metal deformed by a force returns to its original dimensions after the force is removed

Elastic deformation Stress deformation Force deformation Strain deformation Engineering Materials

Anthony V. Cruzat

441 A unit cell with an atomic packing factor arrangement in which one atom is in contact with eight identical atoms located at the corners of an imaginary cube

Body-centered cube Face-centered cube Hexagonal close-packed

Tetragonal close-packed


Anthony V, Cruzat

484 An abrupt junction or boundary between p- nad n-type regions within a single crystal of a semiconducting material

pn junction Retifier diode p-type n-type Engineering Materials

Anthony V. Cruzat

477 Alpha ferrite which forms during the eutectoid decomposition of austenite

Eutectoid alpha ferrite Eutectoid cementite Cementite Martensite Engineering Materials

Anthony V. Cruzat

476 Alpha ferite which forms by the decomposition of austenite at temperatures above the eutectoid temperature

Proeutectoid alpha ferrite

Proeutectoid cementite

Martensite Bainite Engineering Materials

Anthony V. Cruzat

475 Alloys which are soft magnetic materials with high saturation inductions




Alnico magnetic alloys Engineering Materials

Anthony V. Cruzat

474 Alloys consists of mixtures of structurally different homopolymers or copolymers

Polymer alloys Elastomer alloys Copolymers alloys Homopolymer alloys Engineering Materials

Anthony V. Cruzat

473 Alloys based on the other metals are called Nonferrous alloys Ferrous alloys Metal alloys Nonmetal alloys Engineering Materials

Anthony V. Cruzat

594 Bond atoms together due to an asymmetrical Fluctuating dipoles Ionic bond Covalent bond Permanent dipole Engineering Anthony


distribution of electron charge within atoms. Materials V. Cruzat467 Aid the melt flow of PVC compounds during

processing and prevent adhesion to metal surfaced

Lubricants Heat stabilizers Fillers Pigments Engineering Materials

Anthony V. Cruzat

869 Galvanic cell formed when two pieces of the same metal are electrically connected by an electrolyte but are in solutions of different oxygen concentration

Oxygen-concentration cell

Ion-concentration cell Galvanic cell Corrosion cell Engineering Materials

Anthony V. Cruzat

465 Aging the alloy at room temperature is called Natural aging Normal aging Artificial aging Abnormal aging Engineering Materials

Anthony V. Cruzat

580 Atomic arrangement in crystalline solids can be described by a network of lines

Space lattice Valence band Electron configuration Lattice Engineering Materials

Anthony V. Cruzat

446 A weak, negative, repulsive reaction of a material to an applied magnetic field

Diamagnetism Paramagnetism Ferromagnetism Antiferromagnetism Engineering Materials

Anthony V. Cruzat

496 An arrangement of metallic elements according to their standard electrochemical potentials

Electromotive force series

Ion-concentration cell Oxygen-concentration cell

Cathodic polarization Engineering Materials

Anthony V. Cruzat

440 A unit cell with an atomic packing factor arrangement in which 12 atoms surround a central identical atom.

Hexagonal close-packed Tetragonal close-packed

Body-centered cube Face-centered cube Engineering Materials

Anthony V. Cruzat

439 A unit cell with an atomic packing factor arrangement in which 12 atoms surround a central atom.

Face-centered cube Body-centered cube Hexagonal close-packed

Tetragonal close-packed


Anthony V. Cruzat

438 A type of magnetism in which the magnetic dipoles moments of different ions of an ionically bonded solid are aligned by a magnetic field in an antiparallel manner so that there is a net magnetic moment

Ferrimagnetism Antiferromagnetism Ferromagnetism Antiferrimagnetism Engineering Materials

Anthony V. Cruzat

532 An isothermal heat treatment which Austempering Austenitizing Martempering Tempering Engineering Anthony


produces a bainite structure in some plain carbon steels

Materials V. Cruzat

530 An iron-carbon alloy with 0.02 to 2% carbon Plain-carbon steel Plain steel Eutectoid steel Iron steel Engineering Materials

Anthony V. Cruzat

489 An alloy of two or more metals or a matal(s) and a nonmetal(s) which is a single-phase atomic mixture.

Solid solution Substitutional solid solution

Interstitial solid solution

Nucleation Engineering Materials

Anthony V. Cruzat

472 Alloys based on iron are called Ferrous alloys Nonferrous alloys Metal allous Nonmetal alloys Engineering Materials

Anthony V. Cruzat

1037 In the band theory, local energy levels close to valence band

Acceptor levels Donor levels Depletion levels Conduction levels Engineering Materials

Anthony V. Cruzat

585 Average uniaxial force divided by original cross-sectionalarea

Engineering stress Engineering strain Shearing stress Shearing strain Engineering Materials

Anthony V. Cruzat

582 Atomic migration in the grain interiors of a ploycrystalline aggregate

Volume diffusion Grain diffusion Interstitial diffusion Self-diffusion Engineering Materials

Anthony V. Cruzat

581 Atomic migration at the grain boundaries of a polycrystalline aggregate

Grain-boundary diffusion

Grain diffusion Interstitial diffusion Substitutional diffusion Engineering Materials

Anthony V. Cruzat

624 Commonly occurs betweeen atoms and in molecules

Mixed bonding Metallic bonding Covalent bonding Ionic bonding Engineering Materials

Anthony V. Cruzat

898 Heating a steel into the austenite temperature so that its structure becomes austenite

Austenitizing Tempering Austempering Martempering Engineering Materials

Anthony V. Cruzat

5 ]The alignment of small electric dipoles in a dielectric material to produce a net dipole moment in the material

Polarization Electrification Synchronization Vitrification Engineering Materials

Anthony V. Cruzat

1058 In this process water is used as the reaction medium

Suspension polymerization

Solution polymerization

Chain polymerization Bulk polymerization Engineering Materials

Anthony V. Cruzat

1057 In this process ceramic parts of high density and improved mechanical properties are

Hot pressing Dry pressing Slip casting Firing Engineering Materials

Anthony V. Cruzat


produced by combining the pressing and firing operations

1056 In this process a solvent is used which dissolves the monomer, the polymer, and the polymerization initiator.

Solution polymerization Suspension polymerization

Bulk polymerization Chain polymerization Engineering Materials

Anthony V. Cruzat

1055 In this model the energies of the bonding valence electrons of the atoms of a solid form a bans of energies

Energy-band Valence band Conduction band Intrinsic band Engineering Materials

Anthony V. Cruzat

851 For a diffusing system there is no change in the concentration of the diffusing species with time at different places in the system

Steady-state conditions Non-steady-state conditions

Diffusivity Diffusion Engineering Materials

Anthony V. Cruzat

1038 In the band theory, local energy levels near the conduciton band

Donor levels Acceptor levels Conduction levels Depletion levels Engineering Materials

Anthony V. Cruzat

857 Form another class of engineering thermoplastics because some of their special high-performance characteristics such as high strength, toughness and dimensional stability are required for some engineering designs

Polycarbonates Polythalamide Acetals Polysulfones Engineering Materials

Anthony V. Cruzat

1022 In a solid sample of Fe, Co or Ni at room temperature, the spins of the 3d electrons of adjacent atoms align in a parallel direction by a phenomenon called

Spontaneous magnetization

Magnetization Ferromagnetism Ferrimagnetism Engineering Materials

Anthony V. Cruzat

971 If both hydrogen atoms on one of the carbon atoms of the ethylene monomers are replaced by other atoms or group of atoms, the polymerized polymer is called

Vinylidene polymer Elastomer Ethylene polymer Polystyrene Engineering Materials

Anthony V. Cruzat

721 Fibers made from E glass which is a borosilicate glass and which is the most commonly used glass for fibers for fiberglass-reiforced plastics

E-glass fibers S-glass fibers Aramid fibers Carbon tibers Engineering Materials

Anthony V. Cruzat

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist900 High permeability soft magnetic alloys used

for electrical applications where a high sensitivity is required such as for audio and instrument transformers





Anthony V. Cruzat

722 Fibers made from from S-glass which is a magnesia-alumina-silicate glass and which is used for fibers fro fiber glass-reinforced plastics when extra-high-strength fibers are required

S-glass fibers E-glass fibers Aramid fibers Carbon tibers Engineering Materials

Anthony V. Cruzat

897 Heating a ceramic material to a high-enough temperature to cause a chemical bond to form between the particles

Firing Sintering Slip casting Vintrification Engineering Materials

Anthony V. Cruzat

888 Grains which are approximately equal in all directions

Equiaxed grains Columnar grains Poly grains Grain structure Engineering Materials

Anthony V. Cruzat

887 Glass which has been reheated to near its softening temperature and then rapidly colled in air to introduce compressive stresses near its surface

Thermally tempered glass

Chemically glass Float glass Brittle glass Engineering Materials

Anthony V. Cruzat

886 Glass which has been given a chemical treatment to introduce large ions into its surface to cause compressive stresses at its surface

Chemically tempered glass

Thermally tempered glass

Float glass Brittle glass Engineering Materials

Anthony V. Cruzat

870 Galvanic cell formed when two pieces of the same metal are eletrically connected by an electrolyte but are in solutions of different iion concentrations

Ion-concentration cell Galvanic cell Oxygen-concentration cell

Corrosion cell Engineering Materials

Anthony V. Cruzat

289 A plastic deformation process which occurs in some metals and under certain conditions

Deformation twinning Strain hardening Hardness Ultimate tensile strength


Anthony V. Cruzat

1039 In the case of sheet ingots, about 1/2 in. of metal is removed from the ingot surfaces

Scalping Folding Shifting Overlapping Engineering Materials

Anthony V. Cruzat


that will make contact with the hot-rolling-mill rolls. This operation is called

410 A suppersaturated interstitial solid solution of carbon in BCC tetragonal iron

Marteniste Bainite Spheroidite Pearlite Engineering Materials

Anthony V. Cruzat

341 A region in space where group of electrons are mostly found designated by whole numbers or capital letters.

energy levels orbitals electron spin sub-levels General Chemistry William Quiming

1822 These are atoms of the same element having the same atomic number but different atomic mass.

isotopes gamma rays disintegration series alpha particles General Chemistry William Quiming

1928 What is the combination of any substance with oxygen known as?

Oxidation Combustion oxygenation Hydrogenation General Chemistry William Quiming

2043 Which of the following gases is green in color?

Chlorine Neon Krypton Hydrogen General Chemistry Jeruel Panopio

1132 It is the chemistry of the substance comprising living organisms.

Biochemistry Physical chemistry Organic chemistry Inorganic chemistry General Chemistry William Quiming

2055 Which of the following is not an acid? NaOH HCl HNO(sub3) H(sub2)SO(sub4) General Chemistry William Quiming

2056 Which of the following is not an allotrope of carbon?

Silk Charcoal Graphite Diamond General Chemistry William Quiming

72 A bond that results from the sharing of one, two or three pairs of valence electrons between two atoms.

covalent bond polar covalent bond metallic bond ionic bond General Chemistry William Quiming

1085 It is a system of measurement using the unit (m) as a Standard unit for length, kilogram (kg) for mass and seconds (s) for time.

MKS system SI or metric units CGS system FPS system General Chemistry William Quiming

1662 The process of changing a liquid to a gas is called:

vaporization melting freezing sublimation General Chemistry William Quiming

1070 Ionic bond is also known as ________. electrovalent bond pass bond polar covalent bond switch bond General Chemistry William


Quiming1087 It is a branch of chemistry that deals with the

reactions of the compounds of carbon.Organic chemistry Physical chemistry Inorganic chemistry Biochemistry General Chemistry William

Quiming365 A series of spontaneous nuclear changes and

accompanied by a release of energy and the formation of stable and non-radioactive elements.

disintegration series radioactive decay radioactivity radiation General Chemistry William Quiming

2016 Which among the following is binary compound?

potassium chloride ammonium chloride potassium chlorate ammonium chlorate General Chemistry William Quiming

1531 The 'fizz' in soft drinks is caused by _______. Carbon dioxide carbonic acid calcium carbonate nitric acid General Chemistry William Quiming

2 It states that no two electrons within the same atom may have the same four quantum numbers.

Pauli’s Exclusion Principle

Dalton’s theory Democritus’ principle Bernoulli’s Principle General Chemistry William Quiming

283 A pH below 7 indicates _______. acidity alkalinity purity of the sample presence of ions General Chemistry William Quiming

1913 What gas is evolved when dilute sulfuric acid is added to zinc?

Hydrogen Sulfur Dioxide Argon Hydrogen Peroxide General Chemistry William Quiming

1908 What do you call the spontaneous emission of alpha, beta and gamma rays by the disintegration of the nuclei of atoms.

radioactivity radiation radioactive decay disintegration series General Chemistry William Quiming

1565 The lead of a pencil mainly contains _______. graphite albumin carbon black chromium General Chemistry William Quiming

1104 It is a region around the nucleus in which an electron will most likely to be found.

orbital energy level sub-level electron spin General Chemistry William Quiming

1145 It is the process by which radioactive atoms undergo a series of spontaneous nuclear changes until they become stable, non-radioactive atoms.

radioactive decay radiation radioactivity disintegration series General Chemistry William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist724 Fill in the missing word:

Acid + _______ = Salt + WaterBase Nonmetal Oxygen Metal General Chemistry William

Quiming1089 It is a combination of a gas and liquid or a gas

alone at very high temperature but the particles carry electrical charges.

plasma photon positron deuterium General Chemistry William Quiming

1086 It is a branch of chemistry that concerned with chemistry of elements other than carbon

Inorganic chemistry Physical chemistry Organic chemistry Biochemistry General Chemistry William Quiming

753 Find the area enclosed by the curve x^2 + 8y + 16 = 0 the x-axis and the line x – 4 = 0

10.67 9.67 8.67 7.67 Integral Calculus William Quiming

746 Find the area bounded by the parabola y = 6x – x^2 and y = x^2 – 2x. Note the parabola intersects at point (0,0) and (4,8)

64 / 3 44 / 3 74 / 3 54 / 3 Integral Calculus William Quiming

745 Find the area bounded by the parabola x^2 = 4y and y = 4

21.33 sq. units 33.21 sq. units 31.32 sq. units 13.23 sq. units Integral Calculus William Quiming

700 Evaluate the integral of (3x^2 + 9y^2) dx dy if the interior limit has an upper limit of y and a lower limit of 0, and whose outer limit has an upper limit of 2 and lower limit of 0.

40 20 10 30 Integral Calculus William Quiming

743 Find the area bounded by the curve y^2 = 9x and its latus rectum.


742 Find the area bounded by the curve y = cos hx , x = 0, x = 1 and y = 0.


1280 Perform the required integration on the following integrand: 3zr2 Sin a dz dr da. The limits of integration are: z from 0 to 2, r for 0 to 1, and a from 0 to 90°


741 Find the area bounded by the curve y = 9 – x^2 and the x-axis.

36 sq. units 25 sq. units 18 sq. units 30 sq. units Integral Calculus William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist701 Evaluate the integral of (cos 3A)^8 dA fro 0 to

pi/6.35pi/768 28pi/768 42pi/768 zero Integral Calculus William

Quiming702 Evaluate the integral of (x^2 + y^2) dx dy if

the interior upper limit is 2y and lower limit of 0 while the outer limit has 2 as upper limit and 1 as lower limit.


1201 Many integrals may be evaluated by introducing a new variable of integration in place of the original variable, the two variables being connected by some suitable formulas. This process is called

Integration by substitution

Integration by parts Partial derivatives The chain rule Integral Calculus William Quiming

704 Evaluate the integral of 2 dx / (4x + 3) if the upper limit is 5 and the lower limit is 1.


736 Find the area (in sq. units) bounded by the parabola x^2 – 2y = 0 and x^2 = – 2y + 8


763 Find the area of the triangle which the line 2x - 3y + 6 = 0 forms with the coordinate axes.


712 Evaluate the integral of xy dx with lower limit of 0 and upper limit of 8, subject to the functional relation x = t^3 and y = t^2


711 Evaluate the integral of x(x - 5)^12 dx from 5 to 6


710 Evaluate the integral of x dx / (x + 1)8 if it has an upper limit of 1 and a lower limit of 0.


709 Evaluate the integral of tanh u du. Ln cosh u + C Ln sinh u + C Cosh u + C Coth u + C Integral Calculus William Quiming

708 Evaluate the integral of tan^2 x dx. tan x - x + C sec^2 x + x + C 2 sec x - x + C (tan^2 x)/2 + x + C Integral Calculus William Quiming

707 Evaluate the integral of dx / (x + 2) from -6 to Ln 2 1/2 Ln 3 1.4 Integral Calculus William


-10. Quiming706 Evaluate the integral of Cos (ln x) dx / x. Sin (ln x) + C Cos (ln x) + C Sin (ln x) + C Tan (ln x) + C Integral Calculus William

Quiming1705 The region in the first quadrant, which is

bounded by the curve x^2 = 4y, the line x = 4, is revolved about the line x = 4. Locate the centroid of the resulting solid of revolution.

0.8 0.5 1 0.6 Integral Calculus William Quiming

705 Evaluate the integral of 32x dx with upper limit of 2 and lower limit of 0


836 Find the volume in the first octant common to equal cylinders of revolution whose axes intersect at right angles, if the radius of each cylinder is 2m. Answer in cu. m.

5.33 cu. m. 4.26 cu. m. 6.42 cu. m. 3.86 cu. m. Integral Calculus William Quiming

703 Evaluate the integral of [3^x / e^x] from 0 to 1.


740 Find the area bounded by the curve y = 8 – x^3 and the y-axis.

12 sq. units 15 sq. units 13 sq. units 10 sq. units Integral Calculus William Quiming

1412 The area of the surface generated by rotating any plane curve about a certain axis in its plane is equal to the product of the length of the arc and the distance traveled by its centroid

First proposition of Pappus

Method of section Varignon’s theorem Second proposition of Pappus

Integral Calculus William Quiming

834 Find the volume generated if the area between y = cosh x and x-axis from x = 0 for x = 1 is revolved about the x-axis.

4.42 cu.units 2.83 cu.units 3.43 cu.units 3.83 cu.units Integral Calculus William Quiming

832 Find the volume common to the cylinders x^2 + y^2 = 9 and y^2 + z^2 = 9

144 cu. m 533 cu. m. 424 cu. m 241 cu. m. Integral Calculus William Quiming

1943 What is the integral of Cos 2x eSin 2x dx? ESin 2x / 2 + C – eSin 2x + C ESin 2x + C – eSin 2x / 2 + C Integral Calculus William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist878 Given the area in the first quadrant bounded

by the curve x^2 = 8y, the line x = 4 and the x-axis. What is the volume generated by revolving this area about the y-axis?


880 Given the area in the first quadrant bounded by x^2 = 8y, the line y – 2 = 0 and the y-axis. What is the volume generated when this area is revolved about the line y – 2 = 0


881 Given the area in the first quadrant bounded by y^2 = x , the line x = 4 and the x-axis. What is the volume generated when this axis is revolved about the y-axis

80.425 cu. units 74.870 cu. units 67.950 cu. units 98.436 cu. units Integral Calculus William Quiming

451 A woman and her grandson have the same birthday. For six consecutive birthdays, she is an integral multiple of his age. How old is the grandmother at the sixth of these birthdays?


1793 The variable inside the integral is called variable of integration or integration variable is sometimes referred to as

Dummy variable Calculus variable Limits variable Limits range Integral Calculus William Quiming

1396 The area bounded by the curve x^3 = y the line y = 8 and the y-axis is to be revolved about the y-axis. Determine the centroid of the volume generated.


600 By double integration, find the area between the line: y = 6 - 2x, the x-axis and the y-axis

9 sq units 10 sq. units 7 sq. units 8 sq units Integral Calculus William Quiming

760 Find the area of the region in the first quadrant bounded by the curves y = Sin x , y = Cos x and the y-axis

0.414 0.534 0. 356 0.486 Integral Calculus William Quiming

1919 What is the area bounded by the curve y^2 = 4x and x^2 = 4y

5.333 7.333 6.666 6 Integral Calculus William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist765 Find the centroid of the area under the y = 4

– x2 in the first quadrant0.75 0.25 0.50 1.15 Integral Calculus William

Quiming781 Find the distance of the centroid from the y-

axis of the area bounded by the curve x^2 = 16y, the line x = 12 and the x-axis


1555 The integral of any quotient whose numerator is the difference of the denominator is the _______ of the denominator.

Logarithm Product Reciprocal Derivative Integral Calculus William Quiming

1918 What is the area bounded by the curve x^2 = – 9y and the line y + 1 = 0


601 By integration, determine the area bounded by the curves y = 6x – x^2 and y = x^2 – 2x

21.33 units2 25.60 units2 17.78 units2 30.72 units2 Integral Calculus William Quiming

1920 What is the area bounded by the curve y^2 = x and the line x – 4 = 0

32 / 3 10 31 / 3 11 Integral Calculus William Quiming

1399 The area bounded by the curve y^2 = 12x and the line x = 3 is revolved about the line x = 3. What is the volume generated?


1400 The area enclosed by the ellipse (x^2)/4 + (y^2)/4 = 1 is revolved about the line x = 3, what is the volume generated?


1402 The area in the second quadrant of the circle x^2 + y^2 = 36 is revolved about the line y + 10 = 0. What is the volume generated?


794 Find the integral of (ex - 1) dx / (ex + 1) Ln (ex + 1)2 - x + C Ln (ex + 1) - x + C Ln (ex - 1) + x + C Ln (ex - 1)2 + x + C Integral Calculus William Quiming

1917 What is the area between y = 0 , y = 3x^2 , x = 0 and x = 2?


1790 The unit of linear density equal to the mass in Denier Dinier Delier Reined Mathematics Terms William


grams per 9000 m of fiber, yarn, or other textile strand.

Quiming

1848 This is the part of physics concerned with movement and the forces that cause it.

Mechanics Sound Light None of the above Mathematics Terms William Quiming

1107 It is a surface where all points are equidistant from one point, called the center.

Sphere Trapezoid Circle Rhombus Mathematics Terms William Quiming

1079 It can be defined as the set of all points in the plane whose distances from fixed points is a constant.

ellipse circle hyperbola parabola Mathematics Terms William Quiming

1355 Study of motion with reference to the force which causes the motion is

Kinematics Dynamics Kinetics Statics Mathematics Terms William Quiming

1476 The difference between an approximate value of a quantity and its exact value or the true value.

Absolute error Relative error One Change Mathematics Terms William Quiming

1098 It is a plane curve where all points are equidistant from a point in the plane called the center.

Circle Parabola Conic sections Quadrilaterals Mathematics Terms William Quiming

1090 It is a combination of two different rays or line segments that share a single end point.

Angle Polygon Plane Triangle Mathematics Terms William Quiming

639 Convergent series is a sequence of decreasing number or when the succeeding term is ______ than the preceding term.

Lesser Greater Equal Ten times more Mathematics Terms William Quiming

1392 The angle which the line of sight to the object makes with the horizontal which is above the eye of the observer is called

Angle of elevation Angle of depression Acute angle Bearing Mathematics Terms William Quiming

1391 The angle which the line of sight to the object makes with the horizontal is below the eye of an observer.

Angle of depression Angle of elevation Acute angle Bearing Mathematics Terms William Quiming

1410 The area of the region bounded by two annulus ring washer circular disk Mathematics Terms William


concentric circles is called Quiming1289 Poisson ratio is The ratio for the unit

lateral deformation to the unit longitudinal deformation

The other term for slenderness

The other term for factor safety

The ratio of the stress to strain

Mathematics Terms William Quiming

1245 Newton was inspired by an apple. Pappus proposition were inspired by what fruit?

Apple and lemon Apple and pear Lemon and orange Apple and banana Mathematics Terms William Quiming

1189 Load on a specimen divided by the area through which it acts.

Stress Elasticity Strain Deformation Mathematics Terms William Quiming

1526 The field of mathematics which rest on upon the fundamental concept of limits and was created by Newton and Leibniz.

Calculus Physics Boolean algebra Quantum mechanics Mathematics Terms William Quiming

1152 It is the scientific area of applied mechanics for the study of the strength of engineering materials and their mechanical behaviour in general.

Strength of materials Engineering mechanics

Soil mechanics Hydraulics Mathematics Terms William Quiming

1147 It is the quadrilaterals that have two parallel sides of unequal lengths.

Trapezoids Parallelograms Rhombus Square Mathematics Terms William Quiming

1146 It is the quadrilaterals that have opposite sides of equal length.

Parallelograms Trapezoids Rhombus Square Mathematics Terms William Quiming

1143 It is the portion of a line that includes a particular point, called the end point, and all points extending infinitely to one side of the end point.

Ray Polygon Plane Line segment Mathematics Terms William Quiming

1142 It is the plane figure bounded by straight lines.

Polygon Circle Angle Triangle Mathematics Terms William Quiming

1129 It is the branch of mathematics that deals with shapes and sizes. It may be thought of as the science of space.

Geometry Trigonometry Algebra Mechanics Mathematics Terms William Quiming


1188 Load at Specified Elongation. LASE LOSE LSE LOSPELO Mathematics Terms William Quiming

1125 It is great value in the development of mathematics because it unified the concepts of analysis (number relationships) and geometry (space relationships).

Analytic geometry Solid Geometry Trigonometry Mechanics Mathematics Terms William Quiming

1106 It is a sequence of numbers such that successive terms differ by a constant.

Arithmetic progression Harmonic progression Infinite progression Geometric progression Mathematics Terms William Quiming

1602 The moment of inertia of a triangle with respect to the base is ____ time its moment of inertia with respect to its centroidal axis?

3 2 4 5 Mechanics William Quiming

1601 The moment of inertia of a triangle with respect to the base b is

Bh3/12 Bh3/6 Bh3/36 Bh3/3 Mechanics William Quiming

1600 The moment of inertia of a rectangle with respect to the base is ____ times its moment of inertia with respect to the centroid.


354 A rope making 1 & 1/4 turns around a stationary horizontal drum is used to a support heavy weight. If the coefficient of friction is 0.40, what weight can be supported by exerting a 50 KN force at the other end of the rope.


355 A rope wrapped twice around a post will support a weight of 4000 KN when a force of 50 KN is exerted at the other end. Determine the coefficient of friction.

0.349 0.258 0.236 0.369 Mechanics William Quiming

367 A simple beam 10 m long carries a concentrated load of 200 kN at the midspan. What is the maximum moment of the beam?

500 kN-m 250 kN-m 400 kN-m 100 kN-m Mechanics William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist369 A single beam carrying a uniform load of w

throughout its entire length l has a maximum moment of

WL2/8 WL2/2 WL2/4 WL/2 Mechanics William Quiming

1859 Three forces 20 N, 30 N and 40 N are in equilibrium. Find the biggest angle formed by these forces.

104.48° 102.36° 101.42° 103.21° Mechanics William Quiming

542 Another term of moment of inertia Second moment of area Moments of mass Moment area All of the above Mechanics William Quiming

1599 The moment of inertia of a plane figure,_________.

Increases as distance of the axis moves farther from the centroid

Is maximum at the centroidal axis

Is zero at the centroidal axis

Decreases as the distance of the axis moves farther from the centroid

Mechanics William Quiming

564 At highest or lowest point on the moment diagram,

Shear is zero Shear is maximum Shear is half the maximum moment

Shear is negative Mechanics William Quiming

1603 The moment of inertia of the circle with respect to its tangent is _____ times its centroidal moment of inertia.


1604 The moment of the resultant of two concurrent forces with respect to a center of their planes is equal to the algebraic sum of the moments of the components with respect to the same center.

Varignon’s theorem Law of reaction Mass moment of inertia

Law of Inertia Mechanics William Quiming

1629 The of the body or system is the point about with the product of the mass and moment arm sums up to zero.

Center of mass Center of gravity Centroid All of the above Mechanics William Quiming

588 Ball bearings permit a wheel to turn freely on an axle without creating any heat because they form a mechanical system that involves

No sliding friction. No electricity. No friction of either type.

No static friction. Mechanics William Quiming

1642 The point through which the resultant of the Center of gravity Center of mass Centerpoint Center of inertia Mechanics William


distributed gravity force passes regardless of the orientation of the body in space.

Quiming

596 Branch of Mechanics which deals with the bodies in motion

Dynamics Statics Kinetics Kinematics Mechanics William Quiming

805 Find the moment of inertia, with respect to x-axis of the area bounded by the parabola y^2 = 4x and the line x = 1


610 Catenary is the shape assumed by perfectly flexible uniform cable hanging between supports. It is a graph of

Y = cosh x Y = sinh x Parabola X = cosh y Mechanics William Quiming

275 A pair of forces equal in magnitude, opposite in direction and not in the same line is called

Couple Torque Moment All of the above Mechanics William Quiming

634 Compute the resultant of the position vectors for the points (2, 4, 3) and (1,-5,2)of a rectangular coordinate system in terms of the unit vectors i, j, k.

3i, j+5k 2i, 3j + 2k 4i-5j+3k 5i-2j+4k Mechanics William Quiming

663 Determine the moment of inertia with respect to x-axis of the region in the first quadrant which is bounded by the curve y2 = 4x, the line y = 2 and the y-axis


189 A hoist with a 120 hp engine is capable of lifting a 50 KN load a height of 6 m. in 12 sec. What is the efficiency of this machine?

27.93% 32.42% 33.51% 26.48% Mechanics William Quiming

799 Find the magnitude of the vector having initial point A (2, 4, 5) and terminal point B(3, 2, 1).


1239 Momentum is the product of mass and Velocity Acceleration Force Time Mechanics William Quiming

1884 Varignon’s theorem is used to determine Location of centroid Moment of inertia Mass moment of Moment of area Mechanics William


____________. inertia Quiming55 A 900 N weight hangs on a vertical rope. A

man pushes this weight horizontally until the rope makes an angle of 40 degrees with the vertical. What is the tension in the rope?

1174.867 N 1285.692 N 917.128 N 834.638 N Mechanics William Quiming

2054 Which of the following is NOT a method of determining the bar force of a truss member?

Maxwell diagram Method of section Method of virtual work

Method of joints Mechanics William Quiming

969 If an object exerts a normal force on a surface, then its normal force is

Perpendicular to the surface

Less than the frictional force

Parallel to the surface Equal to the weight of the object


1872 Two lengths of a steel wire are used to support a chandelier of weight W. the tension in the wire must

Have a vector sum of magnitude W

Each be W Each be W/2 Have a vector sum of magnitude > W


46 A 10-kN shell is fired from a gun weighing 1,500 kN. If the muzzle velocity of the shell is 450 m/sec. and the recoil of the gun is checked by a nest of spring having a modulus of 400KN/m., what is the maximum recoil distance?


77 A bus travels northward from point d for one hour, then eastward for 30 min., then shifted n. 30° e. the bus constant speed is 40 kph. when the bus is 64.7 km directly away from d, how long in hours has it traveled?


75 A branch of physical science which deals with state of rest or motion of bodies under the action of forces.

Mechanics Kinetics Kinematics Statics Mechanics William Quiming

1238 Momentum is a property related to the object's _________.

motion and mass mass and acceleration motion and weight weight and velocity Mechanics William Quiming

53 A 5 m x 5 cm. is cut from a corner of 20 cm. x 10.33 12.06 11.32 13.02 Mechanics William


30 cm. cardboard; find the centroid from the longest side

Quiming

74 A branch of mechanics which deals with bodies at rest.

Statics Dynamics Kinetics Kinematics Mechanics William Quiming

1473 The diagram of an isolated body with the representation of all external forces acting on it is called

Free body diagram Stress-strain diagram Maxwell diagram Shear and moment diagram


1390 The angle or inclination of ascend of a road having a 8.25% grade is

4.71 degrees 4.17 degrees 5.12 degrees 1.86 degrees Mechanics William Quiming

168 A framework composed of members jointed at their ends to form a rigid structure.

Truss Machine Joist Purlin Mechanics William Quiming

1976 What momentum does a 40 lbm projectile possess if the projectile is moving at 420 mph?

765 lbf- sec 16,860 lbf -sec 24,640 lbf- sec 523.6 bf- sec Mechanics William Quiming

1950 What is the mass moment of inertia of a sphere of mass m and radius r?

2/5 mr2 1/4 mr2 1/3 mr2 1/2 mr2 Mechanics William Quiming

874 Given a cylinder of radius r, altitude h and mass m. What is its mass moment of inertia?

1/2 mr2 1/4 mr2 1/3 mr2 2/5 mr2 Mechanics William Quiming

143 A couple consists of two forces, ____ in magnitude, parallel and oppositely directed.

Equal Directly proportional Unequal Inversely proportional Mechanics William Quiming

1301 Refers to an object traveling faster than the sound

supersonic ultrasonic supersonic seismic Physics John Joseph C. Abelgas

1379 The action of a force is characterized by All of the above The direction of its action

Point of application Its magnitude Physics William Quiming

1272 Originally defined as the fraction 1/86400 of the mean solar day and now defined as he duration of 9,192,631,770 periods of the

Second Minute Hour Day Physics John Joseph C.


radiation of a certain state of he cesium-133 atom.

Abelgas

1254 One horse power is equivalent to 746 watts 7460 watts 74.6 watts 7.46 watts Physics John Joseph C. Abelgas

1305 Refers to the sound below 20 Hz infrasonic ultrasonic supersonic seismic Physics John Joseph C. Abelgas

555 As a transverse wave travels through a medium, the individual particles of the medium move

perpendicular to the direction of wave travel

parallel to the direction of wave travel

in circles in ellipses Physics jojo

1035 In Physics, if Lf and Lv are the latent heat of fusion and vaporization, respectively, which of the following equations apply in determining the amount of energy needed to freeze a liquid.

Q = -mLf Q = -mLv Q = mLf Q = mLv Physics William Quiming

660 Determine the kinetic energy of a car moving at 50 mph when it weighs 950 lb.

79323.4 73223.5 78934.6 77889.3 Physics William Quiming

1082 It describes the luminous flux incidence per unit area and is expressed in lumens per square meter.

illiminance luminance luminous intensity radiance Physics William Quiming

970 if an object is thrown vertically upward, its acceleration

is equal to that of an object thrown vertically downward

is smaller than that of the object thrown vertically downward

greater than that of the object thrown vertically downward

zero until the object reaches maximum point

Physics John Joseph C. Abelgas

551 Any two points along a stream line in an ideal fluid in steady state flow, the sum of pressure, the potential energy per unit

Bernoulli's Energy theorem

Pascal's theorem Fluid theorem Hydraulic theorem Physics John Joseph C.


volume and the kinetic energy per unit volumehas the same value. This concept is known as the

Abelgas

1377 The accurate formulation of the laws of motions, as well as the law of gravitation was made by

Newton Galileo Kepler Varingon Physics John Joseph C. Abelgas

578 At what situation when the colliding object stops and the target moves off with the same speed after collsion?

when their masses are equal and the target is stationary.

when the target is stationary even if their masses are not equal.

when their masses are equal and the target is moving with a speed less than that of the colliding body

when their masses are equal and the target is moving with speed greater than that of the colliding body


599 Buoyant force si equal to density of fluid X volume submerged

density of fluid X total volume

density of fluid X volume above he surface

specific gravity of fluid X volume submerged


1253 One gram of ice at 0 deg Celsius is placed on a container containing 2,000,000 cubic meters of water at 0 deg celsius. Assuming no heat loss, what will happen?

The volume of ice will not change

Ice will become water Some parts of ice will not change

All of the above Physics John Joseph C. Abelgas

1237 Momentum is a property related to the object's ____________

motion and mass mass and acceleration motion and weight weight and velocity Physics John Joseph C. Abelgas

1221 Melting point of ice is ___________ 4 deg Celsius 373 K 273K 100 deg Celsius Physics John Joseph C. Abelgas

1187 Linear momentum is a product of mass and velocity and this can be expressed also as a

force, time force, acceleration, time

force, velocity, time force, displacement, time

Physics John Joseph


function of C. Abelgas

1371 The ________ of two vectors is obtained by adding one vector to the negative of the other.

difference product sum magnitude Physics John Joseph C. Abelgas

1912 What fundamental force holds quarks together to form particles such as protons and neutrons?

strong force weak force electromagnetic force gravitational force Physics jojo

2081 Which type of wave requires a material mediumthrough which to travel?

sound radio infrared electromagnetic Physics jojo

2062 Which of the following is true about collision? In elastic collision, no kinetic energy is lost

In elastic collision, the two colliding bodies stick together after impact

In completely inelastic colision, no kinetic energy is lost.

Kinetic energy is not conserved in an elastic collsion


461 According to this law. "The force between two charges varies directly as the magnitudeof each charge and inversely as the square of the distance between them".

Coulomb's law law of universal ravitation

Newton's law inverse square law Physics John Joseph C. Abelgas

449 A wheel is rotating at 4000 rpm. If it experience a deceleration of 20 rad/sec2. Through how many revolutions will it rotate before it stops?

698 400 520 720 Physics William Quiming

2082 Which wave phenomenon occurs when vibrations in one object cause vibrations in a second object?

resonance intensity tuning reflection Physics jojo

1615 The negative ratio or the relative velocity after a collision to a relarive velocity before a collision

coefficient of restitution coefficient of friction coefficient of sliding coefficient of kinetic fricion

Physics John Joseph C.


Abelgas1667 The process of transimitting heat through

space.radiation conduction convection conservation Physics John

Joseph C. Abelgas

2008 When the kinetic energy of a system is the same as before and after collission of two bodies, it is called

Elastic collision Plastic collision Inelastic collision Static collision Physics William Quiming

1306 Refers to the vertical speed at which the force of air resistance is just sufficient to balance the body's weight

Terminal speed Gravitation acceleration

Drag Lift Physics John Joseph C. Abelgas

520 An impulse causes The objects momentum to change

The objects momentum to decrease

The objects momentum to increase

The objects momentum to remain constant or be conserved

Physics William Quiming

2014 Whenever the surfaces of two bodies are in contact, there will be a limiting amount of resistance to sliding between them. This is known as

Friction Coefficient of friction Angle of friction Coefficient of sliding Physics William Quiming

1964 What is the speed of a synchronous earth's satellite situated 4.5 x 10^7 meters from the earth?

11,777 kph 12,000 kph 12,077 kph 11,070 kph Physics William Quiming

2032 Which of the following BEST describes d’Alembert’s Principle?

F=ma Stress is directly proportional to the strain

First law of motion F=kx Physics William Quiming

434 A truck travels from point M northward for 30 min., then eastward for one hour, then shifted N. 30° W. If the constant speed is 40 kph, how far directly from M in km, will it be



after 2 hours?390 A speedboat is pulling a water-skier with a

rope, exerting a large forward force on her. The skier is traveling forward in a straight line path at a constant speed. The net force experienced by the skier is

Zero. In the forward direction.

In the backward direction.

In the upward direction.


377 A solid disk flywheel (I = 200 kg-m) is rotating with a speed of 900 rpm. What is the rotational kinetic energy?

888 x 10^3 J 680 x 10^3 J 730 x 10^3 J l00 x l0^3 J Physics William Quiming

373 A small hole in the sack of rice cause some rice to be wasted while the sack is being lifted vertically to a height of 30 m. The weight loss is proportional to the cube root of the distance traversed. If the total loss was 16 kg., find the work done

2940 kg.m. 2369 kg.m. 3108 kg.m. 2409 kg.m. Physics William Quiming

1945 What is the kinetic energy of a 4,000-lb automobile, which is moving at 44 fps?

1.21 x 10^5 ft=lb 1.12 x 10^5 ft=lb 2.01 x 10^5 ft=lb 1.01 x 10^5 ft=lb Physics William Quiming

1942 What is the inertia of a bowling ball (mass is 0.5 kg and radius of 15 cm.) rotating at an angular speed of 10 rpm for 6 seconds?

0.0045 kg - m^2 0.001 kg - m^2 0.002 kg - m^2 0.045 kg - m^2 Physics William Quiming

486 An airtight closed box of weight P is suspended from a spring balance. A bird of weight W is placed on the floor of the box, and the balance reads W + P. If the bird flies without accelerating. What is the balance reading?

P+W P-W P P+2W Physics William Quiming

1437 the capacitance of a capacitor is defined by its charge divided by the ___________

potential difference energy current Internal resistance Physics John Joseph C. Abelgas


1309 Resonance occurs when one vibrating object transfers energy to a second object causing it to vibrate. The energy transfer is most efficient when, compared to the first object, the second object has the same natural

frequency loudness amplitude speed Physics John Joseph C. Abelgas

2052 Which of the following is incorrect? All scalar quantities have directions

All vector quantities have direction

All scalar quantitites have magnitude

All vector quantities have magnitude


1372 The ___________ of a surface is the luminous flux per unit area that reaches the surface

illuminance luminance rays luminous intensity Physics John Joseph C. Abelgas

618 Change of momentum is equal to impulse displacement power kinetic energy Physics John Joseph C. Abelgas

1865 To maximize the horizontal range of the projectile, which of the following applies?

The tangent function of the angle of trajectory must be equal to one

Maximize the angle of elevation and velocity

Maximize the angle of elevation

Maximize velocity Physics William Quiming

1384 The amount of heat neede to change solid to liquid is

latent heat of fusion condensation cold fusion solid fusion Physics John Joseph C. Abelgas

576 At what angular velocity must the earth and a metal ball rotate so that the ball seems weightless? Assume the radius of the earth as 6400 km.

0.012 rpm 0.021 rpm 0.024 rpm 0.014 rpm Physics William Quiming

1868 Two electrons have speeds of 0.7c and x respectively. If their relative velocity is 0.65c.

0.09c 0.12c 0.15c 0.05c Physics William Quiming


Find x.1672 The product of force and time during which it

acts is calledimpulse momentum coefficient of

rstitutionimpac Physics John

Joseph C. Abelgas

1479 The displacement per unit time Velocity Speed Acceleration Motion Physics John Joseph C. Abelgas

1483 The distance per unit time Speed Velocity Acceleration motion Physics John Joseph C. Abelgas

1515 The energy stored in a stretched elastic material such as a spring is

elastic potential energy internal energy kinetic energy mechanical energy Physics John Joseph C. Abelgas

614 Centrifugal force is Directly proportional to the square of the tangential velocity

Directly proportional to the radius of the curvature

Inversely proportional to the square of the tangential velocity

Directly proportional to the square of the weight of the object


1532 The fluid pressure is the same in all directions. This is known as

Pascal's principle Bernoullis Theorem Ideal fluid principle Archimedes Principle Physics John Joseph C. Abelgas

2104 You are watching a child is flying a kite at the park. The kite is hovering motionless in the sky, about 100 m above the ground. The wind is blowing smoothly toward the east. The net force on the kite is

In the upward direction.

Toward the west. Toward the east. Zero. Physics William Quiming

1425 The average human ear is sensitive to 20 to 20000 Hz 30 to 30000 Hz 40 to 30000 Hz 20 to 35000 Hz Physics John


frequencies over a range of Joseph C. Abelgas

233 A measure of inertia of a body, which is its resistance to a change in velocity.

Mass Force Acceleration Moment of inertia Physics John Joseph C. Abelgas

2035 Which of the following does not describe the orbit as observed from earth?

Focus Apogee Perigee Eccentricity Physics John Joseph C. Abelgas

1067 Inellastic collision is a collision in which the total kinetic energy after the collision is _____ before collision

less than greater than equal equal to zero Physics John Joseph C. Abelgas

1065 Increasing the amplitude of a sound waveproduces a sound with

greater loudness lower speed higher pitch shorter wavelength Physics John Joseph C. Abelgas

1043 In the equation E=mc^2, c is speed of light speed of sound einstein constant the distance between the neutral axis to the outermost fiber


1687 The rated speed of a highway curve of 60 m. radius is 50 kph. If the coefficient of friction between the tires and the road is 0.60, what is the maximum speed at which a car can round the curve without skidding?

93.6 kph 96 kph 94.2 kph 96.8 kph Physics William Quiming

19 __________ means comparing a thing with a standard to see how many times as big it is.

measurement quality quantity efficiency Physics John Joseph


C. Abelgas

1093 It is a device in which electricity temporarily may be stored

capacitor inductor resistor transistor Physics John Joseph C. Abelgas

21 ___________ is the quality of being plastically elongated.

Plasticity Flexibility Ductility Malleabiliy Physics John Joseph C. Abelgas

1772 The theorem which is closely related to d’Alembert’s theorem is the

Newton’s second law of motion

Newton’s first law of motion

Newton’s third law of motion

Bernoulli’s theorem Physics William Quiming

37 _________states that ligh progresses as a wave that every point on wave front acts as a secondary source sending ahead wavelets and that at any instant the new wave front is the surface tangent to all these wavelets.

Huygen's principle Newton's principle Napier's principle Pascal's principles Physics John Joseph C. Abelgas

38 ________is a change in position, specified by a length and a direction

displacement distance height lengrh Physics John Joseph C. Abelgas

39 _______DEALS WITH THE PHENOMENA COMMON TO ELECTRIC CHARGES IN MOTION AND AT REST

Electrostatics Electromagnetics magnetics electrodynamics Physics John Joseph C. Abelgas

43 A 0.686-meter-long wire has a cross-sectionalarea of 8.23 × 10^–6 meter^2 and a resistance of0.125 ohm at 20° Celsius. This wire could bemade of

nichrome copper tungsten aluminum Physics John Joseph C. Abelgas


83 A car traveling at 70 kilometers per hour accelerates to pass a truck. When the car reaches a speed of 90 kilometers per hour the driver hears the glove compartment door start to vibrate. By the time the speed of the car is 100 kilometers per hour, the glove compartment door has stopped vibrating. This vibrating phenomenon is an example of

resonance diffraction Doppler effect destructive interference

Physics jojo

84 A car’s performance is tested on varioushorizontal road surfaces. The brakes areapplied, causing the rubber tires of the car toslide along the road without rolling. The tiresencounter the greatest force of friction to stopthe car on

dry concrete wet concrete dry asphalt wet asphalt Physics John Joseph C. Abelgas

240 A measure of the resistance of a body it offers to any change in its angular velocity, determined by its mass and distribution of its mass about the axis of rotation is known as

angular acceleration moment of inertia friction torsion Physics John Joseph C. Abelgas

366 A ship started sailing S. 42°35’ W. at the rate of 5kph. After 2 hours, ship B started at the same port going N 46°20’W at the rate of 7 kph. After how many hours will the second ship be exactly north of ship A.?


13 _________ is the change in direction of a light ray because of change in speed

Refraction Rarefaction reflection rejection Physics John Joseph C. Abelgas

12 _________ is heat transfer due to motion of matter.

convection conduction radiation combustion Physics John Joseph


C. Abelgas

11 _________ is a highly concentrated pressure wave produced when an object flies faster than the speed of sound

sonic-boom shock wave sonic wave sonic radiation Physics John Joseph C. Abelgas

853 For a system to be in equilibrium, All of the above All forces must be concurrent, if not acting parallel

It must satisfy the 3 static equations

The force polygon must close


14 _________ is the quantity of visible radiation passing per unit time.

luminous flux luminous intensity illuminance luminance Physics John Joseph C. Abelgas

15 __________ is a heat transfer from molecule to molecule through a body or through bodies in contact

conduction convection radiation combustion Physics John Joseph C. Abelgas

1081 It describes the luminous flux incidence per unit area and is expressed in lumens per square meter

illuminance luminance luminous intensity Radiance Physics John Joseph C. Abelgas

2026 Which is a vector quantity? displacement mass work speed Physics John Joseph C. Abelgas

169 A free falling body is a body in a rectilinear motion and with constant ________

acceleration speed deceledration velocity Physics John Joseph C. Abelgas

8 ________ is form of energy, associated with heat internal energy thermal energy enthalpy Physics John


kinetic energy of the random motion of large numbers of molecules.

Joseph C. Abelgas

7 ________ is arbitrarily defined as any influence capable of producing a change in the motion of an object.

force work power energy Physics John Joseph C. Abelgas

6 ______ is the condition of pressure and temperature at which three phases can coexist in equilibrium

triple point critical point freezing point boiling point Physics John Joseph C. Abelgas

36 _________is any undesired sound noise musical tone unpitched sound low frequency sound Physics John Joseph C. Abelgas

855 For perfectly elastic collision, the coefficient of restitution, e, is equal to

1 0 negative value infinity Physics John Joseph C. Abelgas

4 "For every action, there is always an equal and opposite reaction". This is known as

Newton's third law Newton's second law Newton's first law Law of inertia Physics John Joseph C. Abelgas

9 ________ is the condition of pressure and temperature at which a liquid and its vapor are indistinguishable.

critical point triple point boiling point freezing point Physics John Joseph C. Abelgas

891 Gravitational forces differ from electrostaticforces in that gravitational forces are

attractive, only repulsive, only neither attractive nor repulsive

both attractive and repulsive

Physics jojo

1946 What is the latent heat of fusion required to 334 kJ/kg 2256 kJ/kg 970 Btu/lbm 168 Btu/lbm Physics John


turn ice to liquid? Joseph C. Abelgas

1670 The product of a wave’s frequency and its period is

one wavelength its velocity Planck's constant Physics Jojo

2005 When the colliding bodies stick together on impact which results in the maximum possible loss in kinetic energy, it is said to be __________ collision.

completely inelastic elastic inelastic perfectly elastic Physics John Joseph C. Abelgas

2010 When the total kinetic energy of system is the same as before and after collision of two bodies, it is called

Elastic collision Plastic collision Inelastic collision Static collision Physics John Joseph C. Abelgas

2011 When two waves of te same frequency, dpeed and amplitude traveling in opposite directions are superimposed,

destructive interference always result

standing waves are produced

constructive interference always result

the phase difference is always zero


986 If the colliding object has a mass greater than that of the stationary target, after impact,

the colliding object continues its motion in the same direction with reduced speed

colliding object stops the colliding object continues in motion with the same direction and same speed.

the lighter object bounces off the heavier one


124 A collision in which the total kinetic energy after the collision is less than that before collision.

Inelastic collision Elastic collision straight line collision off center collision Physics John Joseph C. Abelgas

203 A leak from a faucet comes out in a separate drops. Which of the following is the main cause of this phenomenon?

Surface tension Air resistance Gravity Viscocity of he fluid Physics John Joseph C. Abelgas


1820 Thermaol energy refers to the random kinetic energy of all ________ in a substance.

atoms and molecules atoms molecules masses Physics John Joseph C. Abelgas

1154 it is the temperature to which the air must be cooled, at a constant pressure, to produce saturation.

dew point triple point point of saturation critical point Physics John Joseph C. Abelgas

649 Defined quantitatively as the amount of matter of which the object is made. It also refer to as the measure of the object's inertia

Mass Weight Relative density Specific weight Physics John Joseph C. Abelgas

647 Defined as the gravitational force exerted on an object because of its attraction to some other masses such as the earth.

Weight Mass Inertia Either mass or weight Physics John Joseph C. Abelgas

615 Centrifugal force is __________. directly proportional to the square of the tangential velocity

directly proportional to the radius of the curvature

inversely proportional to the square of the tangential velocity

directly proportional to the square of the weight of the object


1736 The study of forces on a body that make it move or stay at rest

Equilibrium Statics Buoyancy None of the above Physics William Quiming

733 Find the angle of banking for a highway curve of 90 m. radius esigned to accommodate cars traveling at 160 kph, if the coefficient of friction between tires and the road is 0.60. What is the rated speed of the curve?

89.4 kph 91.5 kph 90.2 kph 88.3 kph Physics William Quiming

2028 Which is not a vector quantity? electric charge magnetic field strength

velocity displacement Physics Jojo

1685 The range of a projectile depends on initial velocity and angle initial velocity only initial velocity and initial velocity, weight Physics John


of projection weight of the body of the body and the angle of projection

Joseph C. Abelgas

2048 which of the following is a vector quantity electric field strength electric resistance electric charge electric potential difference

Physics jojo

1184 Light demonstrates the characteristics of both particles and waves

particles, only waves, only neither particles nor waves

Physics jojo

20 ___________ is the luminous intensity per unit projected area emitted by an extended source. It is measured in candles per square foot or candles per square meter.

luminance luminous flux illuminance rays Physics John Joseph C. Abelgas

1034 In Physics, if Lf and Lv are the latent heat of fusion and vaporization, respectively, which of the following equations apply in determining the amount of energy needed to a freeze a liquid?

Q = -mLf Q = -mLv Q = mLv Q = mLf Physics John Joseph C. Abelgas

1008 If the velocity of a body doubled in value, its _____ will also doubled

momentum acceleration impulse kinetic energy Physics John Joseph C. Abelgas

1991 What will happen to the kinetic energyof the body if its velocity doubled?

quadrupled doubled tripled remains the same Physics John Joseph C. Abelgas

1671 The product of force and displacement is called

work energy power momentum Physics John Joseph C. Abelgas

1675 The property by virtue of which a body tends to return to its original size or shape after a

Elasticity Malleability Ductility Plasticity Physics John Joseph


deformation and when the deforming forces have been removed.

C. Abelgas

1877 Two waves having the same frequency and amplitude are traveling in the same medium. Maximum constructive interference occurs at points where the phase difference between the two superposed waves is

0 deg 90 deg 180 deg 270 deg Physics jojo

1703 The reciprocal of bulk modulus of any fluid is called

volume strain volume stress compressibility shape elasticity Physics John Joseph C. Abelgas

1761 The tendency of any object to remain at rest or to continue in motion is called

inertia equilibrium mass static Physics John Joseph C. Abelgas

1781 the trajectory of a projectile is a graph of parabola ellipse circle hyperbola Physics John Joseph C. Abelgas

1809 The work done in accelerating an object along a frictionless horizontal surface is equal to the change in the object’s

kinetic energy potential energy velocity momentum Physics jojo

987 If the colliding object has a mass less than that of the stationary target, after impact,

the lighter object bounces off the heavier one

colliding object stops the colliding object continues its motion in the same direction with reduced speed

the colliding object continues its motion in the same direction with the same speed


1810 The work done per unit charge wen a charge is moved from one point to another is known as

potential difference Electric current Inductance Conductance Physics John Joseph C. Abelgas

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist164 A flower pot falls off a ledge of a 5th floor

window, just as it passes the third floor window, someone accidentally drops a glass of water from the window. Which of the folowing is true?

The flower pot hits the ground first and with a higher speed that the glass

The flower pot hits the ground at the same time as the glass

The glass hits the ground before the flower pot.

The flower pot and the glass hits the ground with the same speed.


1141 it is the number of waves per unit time that pass a point

frequency period wavelength amplitude Physics John Joseph C. Abelgas

79 A cable suspended from supports which are 200 ft apart has a sag 50 ft. If the cable hangs in the form of a parabola, find its equation, taking the origin at the lowest point.

X^2-200y X^2-900y X^2-152y X^2-350y Physics William Quiming

60 A ball is dropped from a building 100 m high. If the mass of the ball is 10 gm after what time will the ball strike the earth?

4.52 sec 4.42 sec 5.61 sec 2.45 sec Physics William Quiming

317 A projectile is thrown with a speed of 100 ft/sec in a direction 30 degrees above the horizontal. Determine the highest point to which it rises.

38.81 ft 56.50 ft 42.60 ft 28.00 ft Physics William Quiming

287 A plane headed due east with airspeed of 240 mph. If a winf at 40 mph is blowing from the North, find the ground speed of the plane.

243 mph 200 mph 423 mph 240 mph Physics William Quiming

54 A 50,000 N car traveling with a speed of 150 km/hr rounds a curve whose radius is 150 m. Find the centripetal force.

59 kN 38 kN 65 kN 70 kN Physics William Quiming

222 A man rows downstream at the rate of 5 mph and upstream at a rate of 2 mph. How far downstream should he go if he is to return in 7/4 hours after leaving?

2.5 miles 3.3 miles 3.1 miles 2.7 miles Physics William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist223 A man travels in a motorized banca at the

rate of 15 kph from his barrio to the poblacion and come back to his barrio at the rate of 12 kph. If his total time of travel back and forth is 3 hours, determine the distance from the poblacion to the barrio.

20 km 30 km 15 km 25 km Physics William Quiming

241 A measure of the resistance of a body it offers to any change in its angular velocity, determined by the mass and distribution of its mass about the axis of rotation is known as

Moment of Inertia Friction Torsion Angular acceleration Physics William Quiming

250 A missile is fired with a speed of 100 fps in a direction 30 degrees above the horizontal. Determine the maximum height to which it rises.

39 ft 29 ft 59 ft 49 ft Physics William Quiming

64 A baseball is thrown from a horizontal plane following a parabolic path with an initial velocity of 100 m/s at an angle of 30 degrees above the horizontal. How far from the throwing point will the ball attain its original level?

883 m 889 m 785 m 379 m Physics William Quiming

68 A block weighing 500 kN rest on a ramp inclined at 25 degrees with the horizontal. The force tending to move the block down the ramp is ______.

211 kN 265 kN 121 kN 450 kN Physics William Quiming

69 A boat exerts a pull of 4000 KN on its hawser which is wrapped about a capstan on a dock. If the coefficient of friction is 0.30, how many turns must the hawser make around the capstan so that the pull at the other end does



not exceed 50 KN?61 A balloon is rising vertically over a point A on

the ground at the rate of 15 ft/s. A point B on the ground level with an observer 30 ft from A. When the balloon is 40 ft from A, at what rate is its distance from B changing?

12 fps 13 fps 14 fps 15 fps Physics William Quiming

70 A body is said to be in “rotational equilibrium” when

No net torque acts on it No net force acts on it Its vector sum of the forces is zero

The forces acting on the body are non-concurrent


59 A ball having a weight of 4 N is attached to a cord 1.2 m. long and is revolving about a vertical axis so that the core makes an angle of 20° with the vertical axis. Determine the rpm.


262 A motorcycle travels northward from point L for half an hour, then eastward for one hour, then shifted N. 30° W. After exactly two hours, the motorcycle will be 47.88 km away from L. What is the speed of the motorcycle in kph?


81 A car accelerates from rest and reached a speed of 90 kph in 30 seconds. What is the acceleration in meters per second per second?


82 A car is moving at 105 kph. The driver suddenly begins to apply the brakes, but does so with increasing force so that the deceleration increases with time according to a(t) = ct where c = -2.67 m/m^3 How much time passes before the car comes to rest?

4.67 sec. 5.45 sec. 6.44 sec. 3.23 sec. Physics William Quiming


52 A 5 lb. monkey is attached to a 20 ft hanging rope that weighs 0.3 lb/ft. The monkey climbs the rope up to the top. How much work has it done?


356 A rotating wheel has a radius of 2 feet and 6 inches. A point on the rim of the wheel moves 30 feet in 2 sec. Find the angular velocity of the wheel.

6 rad/s 4 rad/s 5 rad/s 2 rad/s Physics William Quiming

176 A golf ball weighs 1.6 ounces. If its velocity immediately after being driven is 225 fps, what was the impulse of the blow in slug-ft/sec?


281 A person draws 3 balls in succession from a box containing 5 red balls, 6 yellow balls and 7green balls. Find the probability of drawing the balls in the order red, yellow arid green.

0.04289 0.3894 0.0894 0.3489 Probability&Statistics William Quiming

945 How many triangles are formed by 10 distinct points no three of which are collinear?

120 ways 56 ways 320 ways 720 ways Probability&Statistics William Quiming

944 How many triangles are determined by 10 points, no three of which arc collinear?

120 90 10 100 Probability&Statistics William Quiming

907 How many 4 digit numbers can be formed without repeating any following digits: 1, 2, 3, 4 and 6?


1415 The arithmetic mean of 80 numbers is 55. If two numbers namely 250 and 850 are removed, what is the arithmetic mean of the remaining numbers?

42.307 38.625 50 57.12 Probability&Statistics William Quiming

908 How many 6-number combinations can be generated from the numbers 1 to 42 inclusive, without repetition and with no

5,245,786 850,668 188,848,296 31,474,716 Probability&Statistics William Quiming


regards to the order of the numbers?936 How many permutations are there if the

letters PNRCSE are taken at a time?720 480 1440 360 Probability&Statistics William

Quiming912 How many committees can be formed by

choosing 4 men from an organization of a membership of 15 men?


928 How many line segments can b formed with 10 distinct points, no two of which are collinear?


926 How many four-letter words beginning and ending with a vowel without letter repeated can be formed from the word “personnel?


633 Compute the number of 12 letter combination of all letters in the alphabet.


916 How many different ways can 5 boys and 5 girls form a circle with boys and girls alternate?

2,880 28,800 5.600 14,400 Probability&Statistics William Quiming

915 How many different committees can be form by choosing 4 men from an organization that has a membership of 15 men?


282 A person draws 3 balls in succession from a box containing 5 red balls, 6 yellow balls, and 7 green balls. Find the probability of drawing the balls in the order red, yellow and green.


1627 The number of ways can 3 nurses and 4 engineers be seated on a bend1 the nurses seated together is


1818 There are four balls of different colors. Two balls at a time are taken and arranged any



way. How many such combinations are possible?

1817 There are 50 tickets in a lottery in which there is first and second prize the probability of a man drawing a prize if he owns 5 tickets?

1/5 2/5 1/4 3/5 Probability&Statistics William Quiming

1816 There are 50 tickets in a lottery in which there is a first and second prize. What is the probability of a man drawing a prize if he owns 5 tickets?

20% 25% 50% 40% Probability&Statistics William Quiming

1815 There are 3 questions in a test. For each question 1 point is awarded for a correct answer and none tar a wrong answer If the probability that Janine correctly answers a question in the test 2/3, determine the probability that she gets zero the test.


1814 There are 13 teams in a tournament. Each team is to play with each other only once. What is the minimum number of days can they all play without any team playing more than one game in any day?


1547 The graphical representation of the commulative frequency distribution in a set of statistical data is called

Ogive Histogram Argand diagram Frequency diagram Probability&Statistics William Quiming

1956 What is the number of permutations of the letters in the word BANANA?


800 Find the mean proportion of 4 and 36. 12 72 24 20 Probability&Statistics William Quiming

810 Find the probability of getting exactly 12 cut of 30 questions on a true or false questions.


MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist811 Find the probability of obtaining an even

numbers in one roll of a dice?0.5 2 1 0.25 Probability&Statistics William

Quiming821 Find the total number of combinations of

three letters, J, R. T taken 1, 2, and 3 at a time.


123 A collective term for maxima and minima, whether absolute or relative is called

Extrema Infinitum Domain None of the above Probability&Statistics William Quiming

1413 The arithmetic mean of 6 numbers is 16. If two numbers are added to the progression, the new set of numbers will have an arithmetic mean of 19. What are the two numbers if their difference is 4?

23 and 27 21 and 25 24 and 28 22 and 26 Probability&Statistics William Quiming

119 A coin is tossed 3 times. What is the probability of getting 1 head and 2 tails?


178 A group of 3 people enter a theater after the lights had dimmed, They are shown to the correct group of 3 seats by the usher. Each person holds a number stub. What is the probability that each is in the correct seat according to the numbers on seat arrangements?


170 A frequency curve, which is composed of a series of rectangles constructed with the steps as the base and the frequency as the height.

Histogram Ogive Frequency distribution Bar graph Probability&Statistics William Quiming

846 Five different mathematics books, 4 different electronics books and 2 different communications books are to be placed in a shelf with the books of the same together. Find the number of ways in which the books



can be placed.153 A fair coin is tossed three times. What is the

probability of getting either 3 heads or 3 tail?1/4 3/8 1/8 1/2 Probability&Statistics William

Quiming860 From 20 tickets marked with the first 20

numerals, one is drawn at random What is the chance that it wit be a multiple of 3 or of 7?


861 From a bag containing 4 black balls and 5 white balls, two balls are drawn one at a time. Find the probability that both ball are black. Assume that the first ball is returned before the second balls drawn.


862 From a bag containing 4 black balls and 5 white balls, two balls are drawn one at a time. Find the probability that both balls are white. Assume that the first ball is returned before the second ball is drawn.


863 From a bag containing 4 black balls arid 5 white balls, two balls are drawn one at a time. Find the probability that one bail is white and one ball s black. Assume that the first bail is returned before the second ball is drawn.

40/81 25181 20181 16/81 Probability&Statistics William Quiming

864 From a bag containing 4 block balls 5 white balls to balls are drawn one at a time Find the probability that one ball is white and one ball is black. Assume that the first ball is returned before the second ball is drawn.


865 From a box containing 6 red balls. 8-white balls and 10 blue balls one ball is drawn at

7/12 1l3 5/12 ¼ Probability&Statistics William Quiming


random. Determine the probability that it is red or white.

867 From the given digits 0, 2, 3, 4, 5, 6, 7, 8, and 9, find the numbers of six-digit combination that can be formed.


666 Determine the probability of drawing either a king or a diamond in a single draw from a pack of 52 playing cards.

4/13 3113 2113 1/13 Probability&Statistics William Quiming

1414 The arithmetic mean of 6 numbers is 17. If two numbers are added to the progression, the new set of numbers will have an arithmetic mean of 19. What are the two numbers if their difference is 4?

23 and 27 21 and 25 8 and 12 16 and 20 Probability&Statistics William Quiming

1030 In how many ways can an IECEP Chapter with 15 directors choose a President a Vice President, a Secretary, a Treasurer and an Auditor, if no member can hold more than one position?

360,360 32,760 3,003 3,603,60 Probability&Statistics William Quiming

1311 Roil a pair of dice. What is the probability that the sum of two numbers is 11?


58 A bag contains 4 red baIls , 3 green balls and 5 blue balls, The probability not getting a red ball in the first draw is

1/3 2/3 1 2 Probability&Statistics William Quiming

57 A bag contains 3 yellow and 5 black balls. If 2 balls are drawn in succession without replacement, find the probability that the ball s drawn is one yellow and one black ball.


56 A bag contains 3 white and 5 black balls. If two balls are drawn an succession without replacement, what is the probability that



both balls are black?117 A club of 40 executives, 33 like to smoke

Marlboro and 20 like to smoke Philip Morris. How many like both?


1018 In a class of 40 students, 27 like Calculus and 25 like Chemistry. How many like both Calculus and Chemistry?


1021 In a multiple choice test, each question is lobe answered by selecting 1 out of 5 choices, of which only 1 is eight. If there are 10 questions in a test. What is the probability of getting 6 right of pure guesswork?

0.55 % 6% 0.44%’ 10% Probability&Statistics William Quiming

1023 In a throw of two dice, the probability of obtaining a total of 10 or 12 is?


1312 Roll two dice once. What is the probability that the sum is7?


1029 In how many ways can 6 distinct books be arranged in a bookshelf?


1252 On a deck of playing cards, 2 cards are drawn at random. What is the probability of gritting 2 A’s?


1031 In how many ways can you invite one or more of your five friends in a party?


1033 In Mathematics examination, a student may select 7 problems from a set of 1O problems. In how many ways can he make his choice?


412 A survey of 100 persons revealed that 72 of them had eaten at restaurant P and that 52 of them had eaten at restaurant 0. Which of



the following could not be the number of persons in the surveyed group who had eaten at both P and Q?

1042 In the ECE Board examinations, the probability that an examinee will pass in each subject is 0.80. What is the probability that an examinee will pass at least 2 subjects.


1656 The probability of getting at least 2 heads when a coin is tossed tour times is,


49 A 3000 college women enrolled, the personal records indicate that 250 are of heights exceeding 5 ft 6 inches. What is the probability that a randomly selected coed is of height not exceeding 5 ft. 6 inches?


1131 It is the characteristics of a population which is measurable.

Distribution Frequency Sample Parameter Probability&Statistics William Quiming

362 A semiconductor company will hire 7 men and 4 women. In how many ways can the company choose from 9 men and 6 women who are qualified for the position?


363 A semiconductor company will hire 7 men and 4 women. In how many ways can the company choose from 9 men and 6 women who qualified for the position?


1028 In how many ways can 4 boys and 4 girls be seated alternately in a row of a seats?


538 An urn contains 4 black balls and 6 white balls. What is the probability of getting 1 black ball and 1 white ball in two consecutive draws from the urn?



85 A card is drawn from a deck of 52 playing cards. Find the probability of drawing a king or a red card.


972 If coin is tossed 5 times, find the probability of getting 3 heads.


518 An IECEP unit has 10 ECE's, 8 PECE’s and 6 EE's. If a committee of 3 members, one from each group is to be formed, how many such committees can be formed?

480 12,144 2,024 360 Probability&Statistics William Quiming

533 An item’s cost distributions is given as a function of the probability. What is the expected cost?

St in Pesos Probability 0.20 0.28 0.18 Probability&Statistics William Quiming

1394 The arc of a sector is 9 units and its radius is 3 units. What is the area of the sector in square units?


93 A certain organization consists of 8 lawyers, 10 engineers and 12 accountants. How many ways can a committee of 4 members can be formed?

27,405 26,302 24,401 25,306 Probability&Statistics William Quiming

1020 In a licensure examination, an examinee may select 7 problems from a set of 10 questions. In how many ways can he make his choice?

120 ways 150 ways 50 ways 100 ways Probability&Statistics William Quiming

1683 The quartile deviation is a measure of Dispersion Central tendency Certainty Division Probability&Statistics William Quiming

2007 When the ellipse is rotated about its shorter axis, the ellipsoid is

Prolate Paraboloid Spheroid Oblate Solid Geometry William Quiming

1102 It is a prism with circular bases. Cylinder Prism Sphere Pyramids Solid Geometry William Quiming

1874 Two spheres of lead, of radii 2 and 3 in., 46.67 in. 64.02 in. 44.13 in. 50.12 in. Solid Geometry William


respectively, are melted into a cylinder of revolution of radius 1 in. Find the altitude of the cylinder.

Quiming

108 A circle with radius 6 cm has half its area removed by cutting off a border of uniform width. Find the width of the border.

1.76 cm 1.35 cm 1.98 cm 2.03 cm Solid Geometry William Quiming

1100 It is a polyhedron that has a polygon as its base and sides that consist of triangles having a common vertex, called the apex.

Pyramids Prism Sphere Hexagon Solid Geometry William Quiming

801 Find the minimum amount of thin sheet that can be made into a closed cylinder having a volume of 108 cu. in. in square inches.

5.5 7.5 3.5 9.5 Solid Geometry William Quiming

1992 When a catenary (y = cosh x) is rotated about its axis of symmetry, it generates a solid called

Catenoid Conoid Paraboloid Hyperboloid Solid Geometry William Quiming

92 A certain Chinese coin, 1/2 in. in diameter and 1/19 in. thick is pierced by a square hole which is 1/3 in. on a side. Find the AMount of metal in the coin.

0.011295 cu. in. 1.025484 cu. in. 2.158051 cu. in. 0.598471 cu. in. Solid Geometry William Quiming

795 Find the largest area of a rectangle that can be inscribed in the ellipse 4x^2 + 9y^2 = 36.

12 16 20 25 Solid Geometry William Quiming

1490 The edges of a rectangular box are to be reinforced with narrow metal strips. If the box will have a volume of 8 m3, what would its dimensions be to require the least total length of strips?

4 x 4 x 4 3 x 3 x 3 2 x 2 x 2 2 x 2 x 4 Solid Geometry William Quiming

42 A _______ section of a surface of revolution is the section containing the axis of revolution.

Meridian Central Median Right Solid Geometry William Quiming


1554 The inside of a vase is an inverted cone 2.983 in. across the top and 5.016 in. deep. If a heavy sphere 2.428 in. in diameter is dropped into it when the vase is full of how much water will overflow?


1921 What is the area of the largest rectangle that can be inscribed in a semi-circle of radius 10?

100 sq. units 50 sq. units 1,000 sq. units 500 sq. units Solid Geometry William Quiming

1108 It is a two-dimensional curves created by slicing a plane through a three-dimensional hollow cone.

Conic sections Parabola Circle Hyperbola Solid Geometry William Quiming

1123 It is desired to cut off a piece of lead pipe 2 in. in outside diameter and ¼ in. thick, so that it will melt into a cube of edge 4 in. How long a piece will be required?

46.564 in 43.254 in 35.125 in 50.251 in Solid Geometry William Quiming

1563 The lateral area of the right circular water tank is 92 sq. cm. And its volume is 342 cu.m., determine its radius.

7.43 cm 5.56 cm 6.05 cm 7.28 cm Solid Geometry William Quiming

112 A closed cylindrical tank has a capacity of 16 cu.m. Determine the radius and height of the tank that requires minimum amount of materials used.

2 m., 4 m 2 m., 6 m 2 m., 3 m 3 m., 4.5 m Solid Geometry William Quiming

113 A closed cylindrical tank has a capacity of 576.56 m^3. Find the minimum surface area of the tank.

383.40 m3 516.32 m3 412.60 m3 218.60 m3 Solid Geometry William Quiming

118 A coffee pot is 5 in. deep, 4 ½ in. in diameter at the top and 5 ¾ in. in diameter at the bottom. How many cup of coffee will it hold if 6 cups equal a quart?

11 cups 10 cups 12 cups 13 cups Solid Geometry William Quiming

1101 It is a polyhedron that has parallel and congruent polygons, called bases, for two

Prism Hexagon Sphere Rhombus Solid Geometry William Quiming


faces and parallelograms for all other faces.914 How many cubic inches of lumber does a

stick contain if it is 4 in. by 4 in. at one end, 2 in. by 2 in. at the other end, and 16 ft. long?

1792 cu. in 1824 cu. in 1722 cu. in 1524 cu. in Solid Geometry William Quiming

770 Find the diameter of the base of a pint tin can whose height is 4 in. (231 cu. in. 1 gal.)?

3.086 in 5.254 in 1.569 in 4.025 in Solid Geometry William Quiming

1382 The altitude of a right circular cylinder is twice the radius of the base. The altitude is measured as 12 cm. With a possible error of 0.005 cm. Find the approximate error in the calculated volume of the cylinder.

0.188 cm^3 0.144 cm^3 0.104 cm^3 0.126 cm^3 Solid Geometry William Quiming

137 A cone and a cylinder have the same height and the same volume. Find the ratio of the radius of the cone to the radius of the sylinder.


876 Given a sphere of the diameter, d. What is the percentage increase in its diameter when the surface area increase by 21%?

10% 5% 21% 33% Solid Geometry William Quiming

875 Given a sphere of diameter, d. What is the percentage increase in its volume when the surface area increases by 21%?

33% 10% 21% 5% Solid Geometry William Quiming

148 A cylindrical boiler is to have a volume of 1,340 cu. ft. The cost of the metal sheets to make the boiler should be minimum. What should be its base diameter in feet?


913 How many cubic feet of water are in a pond covering 200 acres if its average depth is 20 ft.?

174,240,000 cu. ft. 173,240,000 cu. ft. 175,240,000 cu. ft. 176,240,000 cu. ft. Solid Geometry William Quiming

866 From a cylindrical glass 6 in. high and 3 in. in 21.206 cu. in. 22.987 cu. in. 15.169 cu. in. 18.214 cu. in. Solid Geometry William


diameter, water is poured by tilting the glass until the highest point of the bottom of the glass lies in the plane of the water surface. How much water remains?

Quiming

177 A grain elevator in the form of a frustum of a right circular cone is 24 ft. high, and the radii of its bases are 10 ft. and 5 ft., respectively. How many bushels of wheat will it hold if 1 ¼ cu. ft. equals 1 bu.?

3518.6 bu. 3347.5 bu. 2948.9 bu. 3625.1 bu. Solid Geometry William Quiming

1262 One of the diagonals of a rhombus is 25 units and its area is 75 square units. Determine the length of the sides.

12.86 units 15.47 units 12.58 units 18.25 units Solid Geometry William Quiming

959 If a bell 4 in. in height, 3 in. in external diameter, and ¼ in. thick weighs 2 lb., what should be the dimension of a bell of the same proportions that would weigh 2000 lb.?

Height = 40 in. diameter = 30 in. thickness = 2.5 in.




Solid Geometry William Quiming

1395 The arch of an underpass is a semi ellipse 60 ft wide and 20 ft high. Find the clearance at the edge of a lane if the edge is 20 ft from the middle.

14.9 ft 12 ft 15.2ft 20 ft Solid Geometry William Quiming

943 How many square feet of tin are required to make a funnel, if the of the top and bottom are 28 in. and 14 in. respectively, and the height 24 in.?

11.454 sq. ft. 12.025 sq. ft. 13.254 sq. ft. 14.205 sq. ft. Solid Geometry William Quiming

859 Four squares are cut out of rectangular cardboard 50 cm. by 80 cm. in dimension and the remaining piece is folded into a closed rectangular box with two extra flaps tucked in. What is the largest possible volume for such a box?


MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist858 Formerly, for a package to go by parcel post,

the sum of its length and girth could not exceed 120 cm. Find the dimensions of the rectangular package of greatest volume that could be sent.

20 x 20 x 40 20 x 20 x 20 20 x 40 x 10 40 x 20 x 30 Solid Geometry William Quiming

152 A drop hammer weighing 40 KN is dropped freely and drives a concrete pile 150 mm into the ground. The velocity of the drop hammer at impact is 6 m/sec. What is the average resistance of the soil in KN?


839 Find the volume of the parallelepiped whose edges are represented by A = 2i- 3j + 4k, B = i + 2j - k and C = 3i-j + 2k.


1333 Soap kettles used in the commercial manufacture of soap are as a rule large cylindrical vat, 500,000 lb. or more of soap being made in a single heating. Find the capacity of such a kettle having an inside diameter of 18 ft. and an altitude of 30 ft.

534,380 lb 544,587 lb 509,547 lb 558,461 lb Solid Geometry William Quiming

837 Find the volume of a sphere circumscribed about a cylinder of revolution, the radius of whose base is 3 in. and whose altitude in 8 in.


962 If a piece of brass 8 by 6 by 12 in. is drawn out into a wire us in. in diameter, what will be the length of the wire?

55,004 ft. 49,215 ft. 50,000 ft. 56,548 ft. Solid Geometry William Quiming

1265 One side of a regular octagon is 2. Find the area of the region inside the octagon.


190 A hole 6 in. in diameter was bored through a sphere 10 in. in diameter. Find the volume of the part cut out.

255.52 cu. in 210.48 cu. in 224.96 cu. in 230.25 cu. in Solid Geometry William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist491 An anchor ring is formed by revolving a circle

2 in. in diameter about a line lying in the plane of the circle and at a distance of 7 in. from its center. Find the volume of the solid formed.


1801 The volume of any solid of revolution is equal to the generating area times the circumference of the circle described by the centroid of the area. This is known as

Second proposition of Pappus

First proposition of Pappus

Cavalieri’s theorem Simpson’s rule Solid Geometry William Quiming

1797 The volume of a sphere 88.5cu in, find the volume of a cube inscribed in it.


404 A stone is dropped into a circular tub 40 in. in diameter, causing the water therein to rise 20 in. What is the volume of the stone?

14.545 cu. ft. 15.246 cu. ft. 13.254 cu. ft. 12.248 cu. ft. Solid Geometry William Quiming

453 A woodman chops halfway through a tree having a diameter of 2m. One face of the cut being horizontal and the other inclined at 60°. Find the volume of wood cut out

1.155 cu. m 4.532 cu. m 3.823 cu. m 2.453 cu. m Solid Geometry William Quiming

344 A regular hexagonal pyramid has a slant height of 4 cm and the length of each side of the base is 6 cm. Find the lateral area.

72 cm^2 82 cm^2 62 cm^2 92 cm^2 Solid Geometry William Quiming

452 A wooden ball 2 ft. in diameter weighs 200 lb. Find the diameter of ball of the same material which weighs 50 lb.

1.2599 ft. 2.0015 ft. 0.3458 ft. 3.0158 ft. Solid Geometry William Quiming

334 A rectangular box with square base and open at the top is to have a capacity of 16,823 cu.cm. Find the the height of the box that requires minimum amount of material required.


534 An open top rectangular tank with square 2 x 2 x 2.5 2 x 3 x 2.5 2 x 5 x 2.5 2 x 4 x 2.5 Solid Geometry William


bases is to have a volume of 10 cu. m. The material for its bottom is to cost 15 cents per square meter and that for the sides 6 cents per square meter. Find the most economical dimensions for the tank.

Quiming

432 A trapezoid has an area of 36 sq. m. and altitude of 2 m. Its two bases have ratio of 4:5. What are the lengths of the bases.

16 and 20 12 and 15 8 and 10 20 and 25 Solid Geometry William Quiming

332 A rectangular box is to have a square base and an open top, and is to be constructed from 75 sq. m. of material. If the volume is to be as large as possible, what should be the height of the box?


698 Equal volumes of the two different liquids evaporated at different but constant rates. If the first is totally evaporated in 6 weeks and the second in 5 weeks, when will the second be one-half the volume of the first?

30/7 weeks 3.5 weeks 4 weeks 3 weeks Solid Geometry William Quiming

683 Each side of a cube is increased by 1%. By what percent is the volume of the cube increased?

3.03% 2.8% 1.21% 3.5% Solid Geometry William Quiming

682 Each of the faces of a regular hexahedron is a _________.

Square Triangle Rectangle Hexagon Solid Geometry William Quiming

1634 The parabolic reflector of an automobile headlight is 12 cm. in diameter and 4 cm. in depth. What is the surface area in sq. cm?


286 A piece of plywood for a billboard has an area of 24 sq. ft. The margins at the top and bottom are 9 in. and at the sides are 6 in. Determine the size of the plywood for

4 x 6 4 x 8 3 x 8 3 x 4 Solid Geometry William Quiming


maximum dimensions of the painted area.558 Assuming that a city has 400 miles of water

pipes and that the average diameter of the pipes is 1 ft., how much water is required fill this entire system?

12,408,000 gal. 10,254,032 gal. 9,254,015 gal. 13,254,160 gal. Solid Geometry William Quiming

270 A normal window is in the shape of a rectangle surrounded by a semi-circle. If the perimeter of the window is 71.416, what is the radius and the height of the rectangular portion so that it will yield a window admitting the most light?


333 A rectangular box with a square base and open top is to be made. Find the volume of the largest box that can be made from 432 sq. m. of material.

4 m^3 8 m^3 6 m12m^3

6 m^3 Solid Geometry William Quiming

350 A reservoir 10 ft. deep is in the form of the frustum of an inverted square pyramid with bases 100 and 90 ft. on a side, respectively. How long will it require an inlet pipe to fill this reservoir if the water poured in at the rate of 200 gal. per minute?

56.312 hr. 60.254 hr 52.016 hr 53.165 hr Solid Geometry William Quiming

380 A solid of revolution of a parabola is known as

Paraboloid Hyperboloid Catenoid Conoid Solid Geometry William Quiming

378 A solid has a circular base of radius “r”. Find the volume of the solid if every plane is perpendicular to a fixed diameter is a square

16r3 / 3 17r3 / 3 22r3 / 3 13r3 / 3 Solid Geometry William Quiming

391 A spherical shell 2 in. thick has an outer diameter of 12 in. Find the volume of the material of which it is made.


351 A reservoir is in the form of a frustum of a $ 4,912.90 $ 5,486.15 $ 4,201.58 $ 6,015.26 Solid Geometry William


cone, 68 ft. across the top, 35 ft. across the bottom, and 18 ft. deep. Find the cost of lining it with tile at $1 per square foot.

Quiming

358 A sector is cut of a circular disk of radius and the remaining part of the disk is bent up so that the two edges join and a cone is formed. What is the largest volume for the cone?

2/3 pi ½ pi ¾ pi ¼ pi Solid Geometry William Quiming

379 A solid has a circular base of radius 4 units. Find the volume of the solid if every plane section perpendicular to a particular fixed diameter is an equilateral triangle.


735 Find the approximate increase by the use of differentials, in the volume of the sphere if the radius increases from 2 to 2.05 in one second.


1348 Stress at failure. rupture strength yield strength average strength ultimate strength Strength of Materials William Quiming

163 A flat steel bar, 1 in. wide by 1/4 in. thick and 40 in. long, is bent by couples applied at the ends so that the midpoint deflection is 1.0 in. Compute the stress in the bar and the magnitude of the couples. Use E = 29 x 10^6 psi.

18.1 ksi , 188 lb.in 22.36 ksi , 200 lb.in 15 ksi , 170.33 lb.in 10 ksi , 123.12 lb.in Strength of Materials William Quiming

186 A high strength steel band saw, 20 mm wide by 0.80 mm thick, runs over pulleys 600 mm diameter. What maximum fleural stress is developed? Assume E = 200 GPa

267 Mpa 297 Mpa 248 Mpa 250 Mpa Strength of Materials William Quiming

191 A hollow steel tube with an inside diameter of 100 mm must carry a tensile load of 400 kN. Determine the outside diameter of the

119 mm 200 mm 100 mm 150 mm Strength of Materials William Quiming


tube if the stress is limited to 120 MN/m^21597 The modulus of elasticity in shear is

commonly called asModulus of rigidity Young’s modulus Bulk modulus Deformation Strength of Materials William

Quiming1235 Modulus of elasticity of material subjected to

twist loading.Torsional modulus of elasticity

Momental modulus of elasticity

Tensional modulus of elasticity

Torquial modulus of elasticity

Strength of Materials William Quiming

1436 The built-in or fixed support is capable of supporting

All of the above A transverse load A bending moment An axial load Strength of Materials William Quiming

401 A steel tire, 10 mm thick, 80 mm wide, and of 1500.0 mm inside diameter, is heated and shrunk onto a steel wheel 1500.5 mm in diameter. If the coefficient of static friction I 0.30, what torque is required to twist the tire relative to the wheel? Neglect the deformation of the wheel. Use E = 200 GPa.

75 kN.m 65 kN.m 95 kN.m 80 kN.m Strength of Materials William Quiming

1297 Rate of reduction of stress in a material due to creep. An alternate term is stress relaxation.

Relaxation Vacation Rest Exertion Strength of Materials William Quiming

541 Another term for modulus of elasticity. Young’s modulus Shear modulus Bulk moudulus Moment of inertia Strength of Materials William Quiming

481 Alternate term for rate of strain hardening. Modulus of strain hardening

Modulus of rigidity Modulus of elasticity Modulus of toughness Strength of Materials William Quiming

1697 The ratio of the volume stress to the volume strain is called

Bulk modulus Shear modulus Young’s modulus Hooke’s law Strength of Materials William Quiming

1698 The ratio unit deformation or strain is constant for stresses within the proportional limit. This is known as

Poisson ratio Mohr’s circle Hooke’s law Slenderness ratio Strength of Materials William Quiming

619 Change per unit length in a linear dimension of a part or specimen.

Strain Elasticity Stress Strangle Strength of Materials William Quiming

650 Deformation that occurs over a period of Creep Keep Crip Crop Strength of Materials William


time when a material is subjected to constant stress at constant temperature.

Quiming

1883 Values of the load and the elongation in a specified length is called

Gage elongation Strain Stress Differential elongation Strength of Materials William Quiming

1886 Very important value for use in engineering structural design since it is the strength at which a metal or alloy shows significant plastic deformation.

yield strength tensile test Ultimate tensile strength

material strength Strength of Materials William Quiming

635 Compute the total elongation caused by an axial load of 100 kN applied to a flat bar 20 mm thick, tapering from a width of 120 mm to 40 mm in a length of 10 m. assume E = 200 GPa

3.44 mm 5. 44 mm 4. 44 mm 2.44 mm Strength of Materials William Quiming

1911 What force is required to punch a 20-mm-diameter hole in a plate that is 25 mm thick? The shear strength is 350 MN/m^2

550 kN 600 kN 300 kN 350 kN Strength of Materials William Quiming

28 __________is a loading that tends to produce stretching on a material by the application of axially directed pulling forces.

Tensile stress Compressive stress Bearing stress Pressure Strength of Materials William Quiming

1296 Rate of change of strain as a function of stress in a specimen subjected to shear or torsion loading.

Modulus of rigidity Bulk modulus Shear modulus Modulus of elasticity Strength of Materials William Quiming

1805 The wall thickness of a 4-ft diameter spherical tank is 15/16 in. Calculate the allowable internal pressure if the stress is limited to 8000 psi.

208 psi 250 psi 350 psi 300 psi Strength of Materials William Quiming

480 Alternate term for modulus of elasticity in tension or compression.

Young’s modulus Mhor’s circle Shear modulus Bulk modulus Strength of Materials William Quiming

478 Also called reduced deformation. Strain Strength Deflection Deformation Strength of Materials William


Quiming445 A water tank, 22 ft in diameter , is made from

steel plates that are 0.5 in. thick. Find the maximum height to which the tank may be filled if the circumferential stress is limited to 6000 psi. The specific weight of the water is 62.4 lb/ft^3

52.4 ft 60 ft 47.96 ft 65.32 ft Strength of Materials William Quiming

48 A 16 in long bronze tube, with close ends, is 3 in. in diameter with a wall thickness of 0.10 in. With no internal pressure, the tube just fits between two rigid end walls . Calculate the longitudinal stress for an internal pressure of 600 psi. Assume v = 1/3 and E = 12 x 10^6 psi.

3000 psi 2000 psi 1000 psi 2500 psi Strength of Materials William Quiming

80 A cantilever beam, 50 mm wide by 150 mm high and 60 m long, carries a load that varies uniformly from zero at the free end to 100 N/m at the wall. Determine the type and magnitude of the stress in a fiber 20 mm from the top of the beam t a section 2 m from the free end.

869 kPa 965 kPa 900.36 kPa 753 kPa Strength of Materials William Quiming

162 A flanged bolt coupling consists of ten steel 20-mm-diameter bolts spaced evenly around a bolt circle 400 mm in diameter. Determine the torque capacity of the coupling if the allowable shearing stress in the bolts is 40 Mpa.

25.1 kN.m 29.3 kN.m 30 kN.m 20 kn.m Strength of Materials William Quiming

479 Alternate term for flexural strength. Bending strength Bond strength Bend test Axial strain Strength of Materials William Quiming

1063 In truss analysis, the method of analyzing a Method of joints Method of sections Method of members None of the above Strength of Materials William


single joint is called Quiming457 Ability of rubber to sustain repeated

fluctuating compressive loads.Compression fatigue Compression set Compressibility Compression test Strength of Materials William

Quiming1352 Stress is proportional to strain. The constant

of proportionality is called as young’s modulus. Who introduced this in 1807?

Thomas young Neil young James young Sean young Strength of Materials William Quiming

1076 Is closely associated with the yield point Yield strength ultimate strength rupture strength average strength Strength of Materials William Quiming

1298 Ratio of stress to change in volume of a material subjected to axial loading.

Bulk modulus of elasticity

Young’s modulus Complex modulus Shear modulus of elasticity


27 __________is a limit state of compressive stress that leads to compressive failure in the manner of ductile failure (infinite theoretically yield) or in the manner of brittle failure (rupture as the result of crack propagation, or sliding AMong a weak

Compressive strength Tangential strength Longitudinal strength Tensile strength Strength of Materials William Quiming

346 A reinforced concrete column 200 mm in diameter is designed to carry ad axial compressive load of 300 kN. Determine the required area of the reinforcing stell if the allowable stresses are 6 Mpa and 120 Mpa for the concrete and steel, respectively. Use Eco = 14 GPa and Est = 200 Gpa.

1400 mm^2 1600 mm^2 100 mm^2 200mm^2 Strength of Materials William Quiming

1354 Stress through a point in a part in which stress distribution is not uniform.

Fiber stress Fatigue stress Flex stress Axial stress Strength of Materials William Quiming

1368 Tendency of a material to remain deformed, after reduction of the deforming stress, to a value equal to or less than its yield strength.

Plasticity Elasticity Rigidity Halluciticity Strength of Materials William Quiming

1353 Stress that will cause a specified permanent Proof tress Cative stress Vayan stress Proportional stress Strength of Materials William


deformation. Quiming1376 The ability of an object to be distorted and to

return to its original size and shape when the source of distortion is removed

Elasticity Density Viscosity None of the above Strength of Materials William Quiming

1349 Stress at which strain increases without accompanying increase in stress.

Yield point Yield strength Ultimate strength Rupture Strength of Materials William Quiming

1347 Stress (tensile load divided by area of bond) required to rupture a bond formed by an adhesive between two metal blocks.

Bond strength Bond stress Bond potency Link strength Strength of Materials William Quiming

1299 Ratio of the modulus of a rubber at a given temperature to its modulus at 73° F.

Relative modulus Bulk modulus Shear modulus Elastic modulus Strength of Materials William Quiming

490 An alternate term for modulus of elasticity Coefficient of elasticity Cleavage strength Young’s modulus of elasticity

Complex modulus Strength of Materials William Quiming

1303 Refers to the highest ordinate on the stress-strain diagram.

Ultimate strength Rapture strength Yield strength Allowable strength Strength of Materials William Quiming

1229 Method may be applied to propped or restrained beams in exactly the same manner.

double-integration metohod of superposition

area-moment method conjugate-beam method


29 __________is a term to describe the magnitude to which a construction or structural element bends under a load.

Deflection Strain Depression Deformation Strength of Materials William Quiming

642 Corresponding slope of shear diagram. Intensity of load Intensity of shear Intensity of force All of the above Strength of Materials William Quiming

1323 Shearing stress maybe called as Tangential stress Normal stress Comprressive stress Shearing stress Strength of Materials William Quiming

577 At what angular velocity will the stress in a rotating steel ring equal 150 MPa if its mean radius is 220 mm? The density of steel is 7.85 Mg/m^3.

628 rad/s 690 rad/s 569 rad/s 550 rad/s Strength of Materials William Quiming


1695 The ratio of the tensile stress to tensile strain. Modulus of elasticity Shear modulus Bulk modulus Hooke’s law Strength of Materials William Quiming

1234 Modern techniques of designing continuous structures are based on a method of succesive approximations popularized by Hardy Cross.

moment-distribution method

double -integration method

area-moment method conjugate-beam method


848 Floor joists 50 mm wide by 200 mm high, simply supported on a 4-m span, carry a floor loaded at 5 kN/m^2. Compute the center line spacing between joists to develop a bending stress of 8 Mpa. What safe floor load could be carried on a center-line spacing of 0.40 m?

0.267 m, 3.34 kN/m^2 0.38 m , 4.5 kN/m^2 0.12 m , 2 kN/m^2 0.05 m , 1.13 kN/m^2 Strength of Materials William Quiming

1367 Tangent or secant modulus of elasticity of a material subjected to shear loading.

Shear modulus of elasticity

Bulk modulus of elasticity

Bulk modulus of rigidity

Shear modulus of elasticity


699 Equivalent to he couple created by the resultant compressive and tensile forces.

resisting moment moment diagram shearing moment All of the above Strength of Materials William Quiming

47 A 150-mm-long bronze tube, closed at its ends, is 80 mm in diameter and has a wall thickness of 3 mm.If fits without clearance in an 80 mm hole in a rigid block. The tube is then subjected to an internal pressure of 4.00 MPa. Assuming v = 1/3 and E = 83 Gpa, determine the tangential stress in the tube.

8.89 Mpa 7.5 Mpa 6.5 Mpa 9.87 Mpa Strength of Materials William Quiming

1881 Used to evaluate the strength of metal and alloys.

tensile test yield strength Ultimate tensile strength

maximum yield strength


482 Alternate term for stress rupture strength. Creep strength Bulk strength Shear strength Thrill strength Strength of Materials William Quiming

557 Assume that a 20-mm-diameter rivet joints the plates that are each 110 mm wide. The allowable stresses are 120 Mpa for bearing in

7.85 mm , 26.7 Mpa 10 mm , 34.02 Mpa 19 mm , 60.5 Mpa 2.36 mm , 15.05 Mpa Strength of Materials William Quiming


the plate material and 60 Mpa for shearing of the rivet. Determine (a) the minimum thickness of each plate; and (b) the largest average tensile stress in plates.

641 Corresponding slope of moment diagram Intensity of shear Intensity of load Intensity of force Intensity of moment Strength of Materials William Quiming

1380 The actual stress the material has when under load.

Working stress Ultimate stress Allowable stress Factor safety Strength of Materials William Quiming

18 __________ is the scientific area of applied mechanics for the study of the strength of engineering materials and their mechanical behavior in general.

Stress Malleability Strength Rigidity Strength of Materials William Quiming

1249 Obtained by dividing the differential load dP by the differential area dA over which it acts.

Stress Strain Elongation Elasticity Strength of Materials William Quiming

397 A steel bar 50 mm in diameter and 2 m long is sorrounded by a shell of cast iron 5 mm thick. Compute the load that will compress the combined bar a total of 0.8 mm in the length of 2 m. For steel, E = 200 Gpa, and for cast iron, E = 100 Gpa.


1228 Method for determining behavior of materials under axial stretch loading.

Tensile test Shear test Compress test Gear test Strength of Materials William Quiming

720 Extent to which a material is compressed in test for compressibility and recovery of gasket materials

Tensility Compressibility Sensitivity Recovery Strength of Materials William Quiming

1961 What is the S.I. unit for stress? Pascal Joules Psi Kg/cm2 Strength of Materials William Quiming

1192 Localized reduction of cross-sectional area of a specimen under tensile load.

Necking Soldering Bracing Arming Strength of Materials William Quiming


1971 What is the value of the modulus of elasticity of steel?

200 GPa 200 MPa 150 MPa 150 GPa Strength of Materials William Quiming

719 Extent to which a material can sustain plastic deformation without rupture.

Ductility Dry strength EASL Dynamic creep Strength of Materials William Quiming

1484 The distance that the top surface is displaced to the direction of the force divided by the thickness of the body is known as

longitudinal strain Linear strain Shear strain Volume strain Strength of Materials William Quiming

1462 The condition exist in structures where the reactive forces exceed the number of independent equations for equilibrium. Such case is called

Statically indeterminate Statically determinate Static equilibrium None of the above Strength of Materials William Quiming

1066 Indication of maximum stress that can be developed in a material without causing plastic deformation.

Yield strength Ultimate strength Rupture Yield point Strength of Materials William Quiming

431 A trapezoid gutter is to be made from a strip of metal 22 m. wide by bending up the sides. If the base is 14 m., what width across the top gives the greatest carrying capacity?

16 22 10 27 Strength of Materials William Quiming

1151 It is the resistance of a material to fracture or break.

Toughness Rigidity Resitance Elasticity Strength of Materials William Quiming

1117 It is applied to a rod to be elongated in the direction of the force.

strain stress shearing strain shearing stress Strength of Materials William Quiming

427 A timber column, 8 in. x 8 in. in cross section, is reiforced on each side by a steel plate 8 in. wide and t in thick. Determine the thickness t so that the column will support an axial load of 300 kips without exceeding a maximum timber stress of 1200 psi or a maximum steel stress os 20 ksi. The moduli elasticity are 1.5 x 10^6 psi for the timber , and 29 x 10 ^6 psi

0.365 in 0.45 in 0.6 in 0.12 in Strength of Materials William Quiming


for steel.1214 Measure of dynamic mechanical properties

of a material, taking into account energy dissipated as heat during deformation and recovery.

Complex modulus Young’s modulus Shear modulus Bulk modulus Strength of Materials William Quiming

1583 The maximum strength reached in the engineering stress-strain curve.

ultimate tensile strength

Maximum yield strength

highest strength ultimate yield strength Strength of Materials William Quiming

1766 The tensile stress expressed as force per unit linear density of an unstrained specimen.

Tenacy Tennessee Tenaicy Tensee Strength of Materials William Quiming

1212 Maximum shear stress that can be sustained by a material before rupture.

Shear strength Rigid strength Bulk strength Axial strength Strength of Materials William Quiming

1813 Theoretical stress that causes fracture in tensile test if material exhibits no plastic deformation.

Cohesive strength Unified strength Rigid strength Solid strength Strength of Materials William Quiming

1150 It is the ratio of the ultimate stress to the allowable stress.

Factor of safety Strain Proportionality constant

Modulus Strength of Materials William Quiming

1135 It is the highest ordinate on the stress-strain curve.

ultimate strength rupture strength average strength yield strength Strength of Materials William Quiming

31 __________is caused when a force is applied to produce a sliding failure of a material along a plane that is parallel to the direction of the applied force e.g. when cutting paper with scissors or a steel bolt with a bolt cutter.

Shear stress Elasticity Axial stress Bearing stress Strength of Materials William Quiming

32 __________is the ability of a material to return to its previous shape after stress is released. in some materials, the relation between applied stress and the resulting strain is directly proportional (up to a certain limit), and a graph representing ____.

Elasticity Adherence Plasticity Malleability Strength of Materials William Quiming


1136 It is the maximum safe stress a material may carry.

working stress shearing stress bearing stress simple stress Strength of Materials William Quiming

34 __________is the stress state when the material tends to compact (volume decrease).

Compression Tension Rigidity Bearing Strength of Materials William Quiming

1190 Load required to produce fracture in a glass sphere subjected to crush loading.

Crush resistance Bang resistance Crushing strength Deformation energy Strength of Materials William Quiming

35 __________of the material is the change in geometry when stress is applied (in the form of force loading, gravitational field, acceleration, thermal expansion, etc.)

Deformation Strain Deflection Elasticity Strength of Materials William Quiming

1215 Measure of resistance of plastics to bending. Stiffness Rigidness Tolerance Resistance Strength of Materials William Quiming

396 A steel bar 50 mm in diameter and 2 m long is sorrounded by a shell of casr iron 5 mm thick. Compute the load that will compress the combined bar a total of 0.8 mm in the length of 2 m. For steel, E = 200 Gpa, and for the cast iron, E = 100 Gpa.


1175 It states that stress is directly proportional to strain.

Hooke’s law Coulomb’s law Mhor’s circle Bulkmodulus Strength of Materials William Quiming

1524 The exerted by a force on a body is the measure of its effectiveness in turning the body about a certain pivot.

Torque Couple Moment arm All of the above Strength of Materials William Quiming

398 A steel bar 50 mm in diameter and 2 m long is surrounded by a shell of cast iron 5 mm thick. Compute the load that will compress the combined bar a total of 0.8 mm in length of 2 m. for steel, E = 200 GPa, and for cast iron, E = 100 GPa.

P = 182 psi P = 192 psi P = 202 psi P = 212 psi Strength of Materials William Quiming


50 A 30-m long aluminum bar is subjected to a tensile stress of 175 MPa. Find the elongation if E=69116 MPa.

7.6 cm 8.13 cm 6.1 cm 7.4 cm Strength of Materials William Quiming

51 A 5 kN shell is fired from a 1000 kN cannon with a velocity of 600 m/sec. Find the modulus of a nest of springs that will limit the recoil of the cannon to 0.90m.

1133 kN/m 1140 kN/m 1123 kN/m 1125 kN/m Strength of Materials William Quiming

1502 The elongation of the specimen to the break point.

Break elongation Fracture elongation Shatter elongation Smash elongation Strength of Materials William Quiming

1880 Unit strain is Unitless Expressed in pascals Inversely proportional to the unit stress

Directly proportional to the length of the object


673 Difference between strain energy required to generate a given stress in a material and elastic energy at that stress.

Elastic hysteresis Expandable hysteresis Elastic limit Extended limit Strength of Materials William Quiming

1843 This component measures the pulling (or pushing) action perpendicular to the section.

Axial force Shear forces Torque Bending moments Strength of Materials William Quiming

1216 Measure of the ability of sheet or film materials to resist tearing.

Tear resistance Shear length Shear resistance Tear length Strength of Materials William Quiming

1489 The edge view of the neutral surface deflected beam is called

elastic curve stress-strain curve ultimate strength curve

maximum curve Strength of Materials William Quiming

1855 This stress is caused by forcces perpendicular to the areas onwhich they act.

Compressive stress Shearing stress Tangential Stress Normal stess Strength of Materials William Quiming

856 For symmetrically loaded simple beam, the maximum shear occurs at

The support The midspan 1/3 of the support ¼ from the support Strength of Materials William Quiming

202 A large coil spring with a spring constant k = 120 N/m is elongated, within its elastic range by 1 m. Compute the stored energy of the spring in N-m.


MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist198 A kind of stress caused by forces acting along

or parallel to the area resisting the forces.Shearing stress Compressive stress Tangential stress Tensile stress Strength of Materials William

Quiming678 Distance between the actual line of action of

compressive or tensile loads and the line of action that would produce a uniform stress over the cross section of the specimen.

Eccentricity of loading Elasticity of lading Malleability Plasticity Strength of Materials William Quiming

1960 What is the required to punch a 20-mm-diameter hole in a plate that is 25 mm thick? The shear strength is 350 MN/m^2


1077 Is one that acts over so small a distance that it can be assumed to act at a point.concentrated load.

concentrated load distributed load horizontal load vertical load Strength of Materials William Quiming

1830 These components measure the resistance to bending he member about the y or z axes and are often denoted merely by My or Mz.

Bending moments Shear forces Axial forces Torque Strength of Materials William Quiming

1669 The product EI is called flexural rigidity modulus of rigidity modulus of elasticity flexural elasticity Strength of Materials William Quiming

1831 These components measures the resistance to twisting the member and is commonly given the symbol T.

Torque Bending moments Axial forces Shear forces Strength of Materials William Quiming

1283 Permanent structural change that occurs in a material subjected to fluctuating stress and strain.

Fatigue Strength Stress Cavity Strength of Materials William Quiming

1842 This analyis of a section of the truss composed of two or more joints is called

Method of sections Method of members Method of joints None of the above Strength of Materials William Quiming

1725 The slope of the stress-strain diagram in the linearly elastic region is called

Modulus of elasticity Proportional limit Elastic limit Yield strength Strength of Materials William Quiming

1819 There is a radial clearance of 0.05 mm when a steel tube is placed over an aluminum tube.

2.80 Mpa 3.5 Mpa 4 Mpa 1.33 Mpa Strength of Materials William Quiming


The inside diameter of the aluminum tube is 120 mm, and the wall thickness of each tube is 2.5 mm. Compute the contact pressure and the tangential stress in each tube when the aluminum tube is subjected to an internal pressure of 5.0 Mpa.

1217 Measure of the drawability of sheet metal. Tear length Longitudinal stress Shear length Bearing length Strength of Materials William Quiming

1110 It is also called te allowable stress. working stress shearing stress bearing stress simple stress Strength of Materials William Quiming

338 A rectangular steel block is 3 in. long in the x direction, 2 in. long in the y direction, and 4 in. long in the z direction. The block is subjected to a triaxial loading consisting of three uniformly distributed forces as follows: 48 kips tension in the x direction, 60 kips compression in the y direction, and 54 kips tension in the z direction. If v = 0.30 and E = 29 x 10^6 psi, determine the single uniformly distributed load in the x direction that would produce the same deformation in the y-directiond as the original loading.

253 kips 300 kips 433 kips 333 kips Strength of Materials William Quiming

184 A helical spring has a load of 800 grams and its length has an elongation of 12 cm. If the spring is set into vibration, what is its frequency?

1.44 vibrations/sec 2.25 vibrations/sec 4.67 vibrations/sec 8.33 vibrations/sec Strength of Materials William Quiming

464 Acts over a considerable length of the beam. distributed load concentrated load vertical load horizontal load Strength of Materials William Quiming

1218 Measure of the ductility of a material determined in a tensile test.

Endurance Elongation Embrittlement Event Strength of Materials William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist199 A kind of stress caused by forces acting

perpendicular to the area resisting the forces.Bearing stress Shearing stress Diagonal stress Tangential stress Strength of Materials William

Quiming1856 This stress is caused by forces acting along or

parallel to the area resisting the forces.Shearing stress Compressive stress Normal stress Tangential stress Strength of Materials William

Quiming200 A kind of stress that is caused by the force

acting along or parallel to the area resisting the force.

Shearing stress Bearing stress Tensile stress Tangential stress Strength of Materials William Quiming

892 Greatest stress that can be applied to a material without causing permanent deformation.

Elastic limit Brittle limit Eccentric limit Endurance limit Strength of Materials William Quiming

192 A hollow steel tube with an inside diameter of 100 mm must carry a tensile load of 400 kN. Determine the outside diameter of the tube if the stress is limited to 120 mN/m^2.


841 Find the waste in cutting the strongest square timber from a circular log of uniform diameter 2 ft. and 1enlh 3 ft.

9.1328 cu. ft. 10.958 cu. ft. 8.0215 cu. ft. 7.521 cu. ft. Strength of Materials William Quiming

1350 Stress differs from compressive stress in that the latter is the internal stress caused by a compressive force, whereas the former is a contact pressure between separate bodies.

Bearing stress Tangential stress Shearing stress Normal stress Strength of Materials William Quiming

1823 These are components of the total resistance to sliding the portion to one side of the exploratory section past the other.

Shear forces Bending moments Torque Axial forces Strength of Materials William Quiming

843 Find the weight of the brass water pipe 20 ft. long whose inside diameter is 1.5 in. and whose thickness is ¼ in. if brass weighs 520 lb. per cu. Ft.

99.266 lb 89.185 lb 94.025 lb 102.56 lb Strength of Materials William Quiming

1734 The stress beyond which the material will not Elastic limit Proportional limit Yield limit Yield strength Strength of Materials William


return to its original shape when unloaded but will retain a permanent deformation

Quiming

2018 Which device does not consume work to move heat?

Heat Engine Refrigerator Air Conditioner Heat Pump Thermodynamics William Quiming

516 An ideal gas experiences a constant pressure process at 206.8 kPa with an increase in volume of 566 Liters. What work is required to cause this volume change ?

117 kJ 91200 kJ 0.084 kJ 60 kJ Thermodynamics William Quiming

1360 Suppose that the Fermi energy of a Fermi gas is approximately 10-20 Joules. What is the energy per mole of the ground state?

3600 Joules/mole 360 Joules/mole 36 Joules/mole 3.6 Joules/mole Thermodynamics William Quiming

1359 Suppose a particle is constrained to be in a plane. By equipartition, what is the energy of that particle?

τ τ/2 3τ/2 None of the above Thermodynamics William Quiming

1941 What is the heat capacity at constant volume in SI units for one mole of ideal gas?

9x10^23 9 3 3x10^23 Thermodynamics William Quiming

553 Approximately how many moles of ideal gas are required for it to have an energy of 1 Joule at room temperature

0.0003 moles 0.003 moles 0.03 moles 0.3 moles Thermodynamics William Quiming

2070 Which of these pathways cannot be completely performer due to entropy considerations?

Heat → Work Work → Work Work → Heat None of the above Thermodynamics William Quiming

40 0.9 kg of hydrogen gas is cooled from 400oC to 350oC in an isometric process. How much heat transfer occurs in this system ?

-459 kJ 510 kJ 459 kJ -510 kJ Thermodynamics William Quiming

1341 specific gas constant (R) of Helium 2077.67 J/kg-K 112 J/kg-K 287 J/kg-K 110 J/kg-K Thermodynamics William Quiming

1295 quantities which are proportional to mass are classified as

extensive intensive molar specific Thermodynamics William Quiming


1444 The change of entropy of a substance receiving (or delivering) heat is defined by: dS = dQ/t , where dQ =

heat transferred at the temperature T

total change of entropy

entropy transferred at the temperature T

constant specific heat Thermodynamics William Quiming

1795 The volume of a gas under standard atmospheric pressure 76-cm of Hg is 200 cubic inches. What is the volume when the pressure is 80 cm Hg if the temperature is inchanged?

190 cu. in. 180 cu. in. 175 cu. in. 100 cu. in. Thermodynamics William Quiming

1344 states that a chemical reaction between pure crystalline phases that occurs at absolute zeroproduces no entropy change

Nernst heat theorem 2nd law of thermodynamics

zeroth law of thermodynamics

Boyle's law Thermodynamics William Quiming

1747 the surface that separates the system from its surroundings

System boundary Crossing boundary Open system Closed system Thermodynamics William Quiming

267 A new monatomic ideal gas is discovered. A pure 4 mole sample is sitting in a container at equilibrium in a 20 C environment. According to the kinetic theory of gases, what is the average kinetic energy per molecule for this gas

6.07 x 10-21 J 2.02 x 10-21 J 4.14 x 10-22 J The molar mass of the gas is needed to answer this question

Thermodynamics William Quiming

2050 Which of the following is an extensive property ?

weight composition temperature pressure Thermodynamics William Quiming

1054 In the Steady Flow Energy Equation, W = ∆P + ∆K + ∆Wf + ∆U + W ; ∆U is the____?

Internal Energy Heat Work Kinetic Energy Thermodynamics William Quiming

1325 similar quantities expressed per mole are described as

molar specific extensive intensive Thermodynamics William Quiming

1893 walls that permit the transfer of matter, perhaps selectively by chemical species,

permeable walls impermeable walls rigid walls flexible or movable walls


2009 When the pressure of an ideal gas is doubled one fourth of its cut in half constant increased by 4 times Thermodynamics William


and the absolute temperature is halved, its volume is:

original Quiming

1556 The intensive thermodynamic parameters of a _______________ system are the same everywhere within the system

homogeneous inhomogeneous open closed Thermodynamics William Quiming

517 An ideal gas in a frictionless, vertical piston-cylinder device is heated and expands from a volume of 0.04 m3 to 0.10 m3 while the pressure remains constant at 200 kPa. What work is done by the system ?

12 kJ 8 kJ 4 kJ 10 kJ Thermodynamics William Quiming

1095 It is a measure of the amount of energy available to do work (ie. to effect a change) in chemical processes.

Gibbs energy Enthalpy Enthropy Pressure Thermodynamics William Quiming

597 branch of physics which applies statistical methods to predict the thermodynamicproperties of equilibrium states of a system from the microscopic structure of its constituents and the laws of mechanics orquantum mechanics governing their behavior

Statistical mechanics Equilibrium thermodynamics

Thermodynamic system

Thermodynamic parameters


135 a condition in which it is convenient to assume steady state for portions of a non-steady state system.

Pseudo steady state Pseudo code Steady flow Energy flow Thermodynamics William Quiming

1294 Quantities which are independent of the mass of the system are classified as

intensive molar specific extensive Thermodynamics William Quiming

86 A Carnot refrigeration cycle operates between -10 C and 23 C. What is its coefficient of performance ?

7.9 1.3 4.5 8.9 Thermodynamics William Quiming

1635 the part of the boundary at which mass enters and leaves the system

Crossing Boundary System Boundary Open System Closed System Thermodynamics William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist114 A closed system allowing heat transfer across

sytem boundariesDiabatic Adiabatic Insulated system Rigid System Thermodynamics William

Quiming116 A closed system that are allowing heat

transfer across sytem boundariesAdiabatic Diabatic Insulated system Rigid System Thermodynamics William

Quiming1849 This is the upward force of a liquid on

anything that tries to float on itBuoyancy Equilibrium Statics None of the above Thermodynamics William

Quiming1875 Two systems separated by a permeable wall

are said to be in _______________diffusive contact thermal contact open system macrostate Thermodynamics William

Quiming1293 Quantities which are expressed per unit mass

are described asspecific intensive extensive molar Thermodynamics William

Quiming1433 The branch of physics which studies the

equilibrium properties of bulk matter usingmacroscopic variables.

Equilibrium thermodynamics

Statistical mechanics Thermodynamic system



1899 What are the SI units of the fundamental entropy?

No units Joules Joules/Kelvin It depends on the system


854 For an ideal gas we find that _________ reduces to the ratio between the pressure of the system and that of the arbitrarily chosen standard state

fugacity isentropic transform isothermal compressibility

quasistatic Thermodynamics William Quiming

1932 What is the efficiency of an ideal Carnot heat engine cycle operating between 38 C and 482 C ?

59 % 89 % 90 % 11 % Thermodynamics William Quiming

2083 Which would be the most comfortable temperature for your bath water?

310 K 560 K 110 C 40 K Thermodynamics William Quiming

25 ___________________ is any body of matter or radiation large enough to be described by macroscopic parameterswithout reference to individual (atomic or subatomic) constituents. A complete

Thermodynamic system Statistical mechanics Thermodynamic parameters




specification of the system requires adescription not only of its contents but also of its boundary and the interactions with its environment permitted by theproperties of the boundary.

1196 macroscopic variables which describe the macrostate of the system


Statistical mechanics Thermodynamic system



172 a functional relationship between the parameters of a system in equilibrium

equation of state equation of equilibrium

state diagram equilibrium surface Thermodynamics William Quiming

318 a projection of some curve that lies on the equilibrium surface

state diagram equation of equilibrium

equation of state equilibrium thermodynamics


146 a crystalline solid in which some of the ions possess permanent magnetic dipole moments.

paramagnetic salt magnet rock salt iron Thermodynamics William Quiming

550 Any transformation which cannot be undone by simply reversing the change in external conditions is classified as

irreversible reversible quasistatic adiabatic Thermodynamics William Quiming

1364 T = T[S, X1, …, Xr] , this equation is called thermal equation of state

chemical equation of state

mechanical equation of state

fundamental relation Thermodynamics William Quiming

570 At standard condition. The specific weight of water is:

1000 kg/cu.m 9.8066 kg/cu.m 100 lb/cu.ft 980 kg/cu.m Thermodynamics William Quiming

2106 zeroth law of thermodynamics states that If two systems are separately in equilibrium with a third, then _______________________________

they must also be in equilibrium with each other

they must not be in equilibrium with each other

they need not be in equilibrium

they're state will change


348 a relation involving physical quantities that is found to be satisfied by physical systems under specified conditions.

physical law physical quantity physical variable physical systems Thermodynamics William Quiming

1343 State functions obtained by means of thermodynamic Nernst heat theorem state diagram quasistatic Thermodynamics William


Legendre transformation of a fundamental relation

potentials Quiming

1681 The quantity of heat required to change the temperature of unit mass through one degree.

Specific heat Internal Energy Entropy Enthalpy Thermodynamics William Quiming

166 A forming snowflake is an open system closed system isolated system insulated system Thermodynamics William Quiming

24 ______________ states that “ the change of internal energy of an ideal gas is a function of only the temperature change.”

Joule’s Law Charles law Boyle’s Law Newton’s Law Thermodynamics William Quiming

1549 The heat absorbed for an infinitesimal temperature change under conditions of constant volume

isochoric heat capacity internal heat associate heat capacity

net entropy Thermodynamics William Quiming

1636 the partial pressure for a vapor that coexists with its liquid form

vapor pressure pressure concentration

equilibrium concentration

vapor concentration Thermodynamics William Quiming

648 defined by the sequence of operations used to determineits value.

physical quantity physical law physical variable physical systems Thermodynamics William Quiming

2034 Which of the following could NOT be used to indicate a temperature change? A change in:

mass of one mole of gas at constant pressure

electrical resistance pressure of a gas at constant volume

length of a liquid column


1779 The time required to reach equilibrium is call the

relaxation time hysteresis equilibrium time zeroth time Thermodynamics William Quiming

421 A thermally insulating container has a membrane separating the container into two equal parts. In one part is a vacuum. In the other part is an ideal gas of temperature T and internal energy U. The membrane is punctured and the gas rushes into the region which was a vacuum. After the system has

There is no entropy change of the system

The temperature of the gas is unchanged

No work is done by the gas on the surroundings

The internal energy of the gas is unchanged



returned to equilibrium, which of the following is NOT true for the gas?

1510 The energy of any isolated system is constant varrying changes zero Thermodynamics William Quiming

16 __________ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alter s its volume or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.

Entropy Enthalpy Heat Energy Thermodynamics William Quiming

1891 walls that do not transmit heat adiathermal walls diathermal walls rigid flexible or movable walls


1731 The standard reference atmospheric pressure 29.92 in. Hg 1 psia 14.696 mm Hg 0.1 atm Thermodynamics William Quiming

415 A system in which mass does not cross its boundaries.

Closed system Open system Operating system Heat transfer Thermodynamics William Quiming

1250 occurs in an open container when the vapor pressure becomes equal to the atmospheric pressure, permitting gasbubbles to form.

Boiling Freezing Critical isotherm Sublimation Thermodynamics William Quiming

693 Energy in transit (on the move) from one body or system to another solely because of a temperature difference between the bodies or systems.

Heat Internal Energy Kinetic Energy Potential Energy Thermodynamics William Quiming

1688 the ratio between partial pressure and saturated vapor pressure at the specifiedtemperature.

Relative humidity Saturated vapor pressure

Latent heat of vaporization

Boiling Thermodynamics William Quiming

1284 permits prediction of the effects of pressure Clapeyron equation Le Chateliers' Bernoulli's Theorem Clausius' theorem Thermodynamics William


upon transition temperatures and is instrumental to measurements of latent heat.

principle Quiming

458 According to ______________________, the heat of a reaction that can be written as a series of steps can be obtained algebraically using the same stoichiometric coefficients as the charge and mass balance.

Hess' law of heat summation

van't Hoff equation Clausius-Clapeyron equation

law of mass action Thermodynamics William Quiming

566 At low pressure and temperature, it separates pure solid and vapor phases, ending at the triple point where three phases (solid, liquid, vapor) coexist

sublimation curve fusion curve vaporization curve critical point Thermodynamics William Quiming

1892 walls that permit the transfer of heat without work

diathermal walls rigid walls permeable walls adiathermal walls Thermodynamics William Quiming

1744 The sum of the pressure head, elevation head, and the velocity head remains constant. This is known as:

Bernoulli's Theorem Clausius' theorem Le Chateliers' principle Charles Law Thermodynamics William Quiming

1876 Two systems separated by diathermal walls are said to be in _______________ and as such can exchange energy in the form of either heat or radiation

thermal contact diffusive contact macrostate extensive contact Thermodynamics William Quiming

1504 the end point of a vaporization curve critical point melting point Q-point saturated point Thermodynamics William Quiming

1755 The temperature at which all molecular motion ceases

Absolute zero Absolute temperature Specific heat Heat Thermodynamics William Quiming

1434 the branch of the physical sciences that treats of various phenomena of energy and the related properties of matter, especially of the laws of transformation of heat into other forms or energy and vice versa.Answer: Thermodynamics

Thermodynamics Mechanics Material science Physics Thermodynamics William Quiming


23 ______________ is the absolute quantity of a matter in it.

Mass of a body Weight of the body Density Specific weight Thermodynamics William Quiming

1800 The volume of a unit mass Specific volume Specific weight Specific gravity Energy Thermodynamics William Quiming

2067 Which of the following temperatures would be most appropriate to keep milk at inside a refrigerator?

278 K 350 K 5 K -20 C Thermodynamics William Quiming

1894 walls that permit transfer of energy in the form of mechanical work

flexible or movable walls

rigid walls diathermal walls permeable walls Thermodynamics William Quiming

413 a System in which electrical work cannot cross the system boundaries

Insulated system Rigid System Daibatic Adiabatic Thermodynamics William Quiming

1426 The average speed of the atoms of a gas a 100 K is 200 m/s. What would most nearly be the average speed of the atoms at 300 K?

350 m/s 67 m/s 140 m/s 600 m/s Thermodynamics William Quiming

2049 Which of the following is always true for an isothermal process of an ideal gas?

The internal energy does not change

No heat flows into or out of the system

The pressure does not change

The volume does not change


1997 When an ideal gas is isothermally compressed

thermal energy flows from the gas to the atmosphere

thermal energy flows from the surroundings to the gas

the temperature of the gas decreases

no thermal energy enters or leaves the gasno thermal energy enters or leaves the gas


1773 The theoretical (Carnot) efficiency of a heat engine operating between 600C and 100C is

57.3 % 16.7 % 20.0% 42.7 % Thermodynamics William Quiming

1363 Systems for which the primary mode of work is mechanical compression or expansion are considered _____________________

simple compressible systems

complex compressible systems

macrostate thermal contact Thermodynamics William Quiming

1866 Two containers are filled with gases at the same temperature. In the container on the

1:1 2:1 4:1 8:1 Thermodynamics William Quiming


left is a gas of molar mass 2M, volume 2V, and number of moles 2n. In the container on the right is a gas of molar mass M, volume V, and moles n. Which is most nearly the ratio of the pressure of the gas on the left to the pressure of the gas on the right?

304 A pressure gage registers 40 psig in a region where the barometer is 14.5 psia. Find the absolute pressure in psia

54.5 psia 25.5 psia 54.3 psia 25.2 psia Thermodynamics William Quiming

563 At higher temperatures, it separates solid and liquid phases

fusion curve sublimation curve vaporization curve critical point Thermodynamics William Quiming

979 If one third of the air in a tank is removed by each stroke of an air pump, what fractional part of the total air is removed in 6 strokes?

0.9122 0.7122 0.6122 0.8122 Thermodynamics William Quiming

1472 The device for measuring gage pressure Pressure gage Manometer Barometer Ammeter Thermodynamics William Quiming

115 a closed system that allows neither mass nor energy transfer across system boundaries

Isolated System Insulated System Rigid System Diabatic Thermodynamics William Quiming

2001 When gas escapes from a pressurized cylinder, the stream of gas feels cool. This is because ______

work is being done at the expense of thermal energy

of the convection inside the cylinder

pressurized cylinders are good thermal insulators

the moisture in the air condenses and cools


1551 The heat required to convert a mole of solid to a mole a liquid at constant temperature and pressure

latent heat of melting (or fusion for freezing).

Critical isotherm Sublimation Relative humidity Thermodynamics William Quiming

1048 In the formula U = (3/2)nRT, what is n? n is the number of moles.

n is the number of atoms.

n is the number of atoms in the molecule.

n is the number of molecules.


422 A thermodynamic property equal to the sum of the internal energy of a system and the

Enthalpy Entropy Heat Energy Thermodynamics William Quiming


product of its pressure and volume1878 type-I superconductors exhibit the

______________ in which surface currents shield their volumes from magneticfields

Meissner effect Magnetic effect Clapeyron effect Piezoelectric effect Thermodynamics William Quiming

964 If a system is in stable equilibrium, any perturbation produces processes which tend to restore the system to its original equilibrium state.

Le Chateliers' principle Maximum entropy principle

Clausius' theorem Bernoulli's Theorem Thermodynamics William Quiming

2099 Work done in pushing a fluid across a boundary , usually into or out of a system

Flow energy Specific heat Work Energy Thermodynamics William Quiming

1053 In the Steady Flow Energy Equation, P1+K1+Wf1+U1+Q = P2+K2+Wf2+U2+W, when will Q be negative?

when heat is rejected by the body or system

when heat is added to the body or system

when there is no heat Q is always positive Thermodynamics William Quiming

1534 The force of gravity on a unit volume Specific weight Specific volume Specific gravity Force Thermodynamics William Quiming

996 If the multiplicity function is 100 for particular values of N and Nup in a binary system, what is the probability of being in any particular state?

1/100 100 1/50 0.001 Thermodynamics William Quiming

1362 Suppose we have a binary system in which N = 6, and Nup = 3. What is the multiplicity function?

20 2/3 120 35 Thermodynamics William Quiming

906 How many "laws of thermodynamics" are there?

4 3 5 6 Thermodynamics William Quiming

569 At room temperature He would be expected to have a Molar Specific Heat at Constant Volume of about

3R/2 5R/2 6R/2 7R/2 Thermodynamics William Quiming

1944 What is the internal energy (to the nearest 12473 J 8315 J 5543 J 13524 J Thermodynamics William


joule) of 10 moles of helium at 100 K? Quiming1047 In the formula U = (3/2)NkT, what is N? N is the number of

atoms.N is the number of moles

N is the number of atoms in the molecule.

N is the number of molecules.


2033 Which of the following choices gives a reasonable value for the air pressure in an average sized bedroom in SI units?

100 10000 0.01 1 Thermodynamics William Quiming

1 In the Carnot cycle, the expansion stage that moves from higher to lower temperature is what kind of process?

Isentropic Isothermal Isobaric None of the above Thermodynamics William Quiming

2030 Which law of thermodynamics says that heat is a form of energy?

1st 2nd 3rd 4th Thermodynamics William Quiming

468 Air at 205 C and 345 kPa is compressed isothermally to one-tenth of its original volume. What is the final pressure ?

3450 kPa 34.5 kPa 690 kPa 6900 kPa Thermodynamics William Quiming

1934 What is the enthalpy of water at 165 C with quality of 97% ?

2701 kJ/kg 4766 kJ/kg 3761 kJ/kg 2066 kJ/kg Thermodynamics William Quiming

442 A vapor and a liquid can coexist below the critical temperature

only above the critical temperature

only above the critical pressure

only below the triple point temperature


947 How much energy is required to heat 2.5 kg of water from 70 C to 95 C at 100 kPa pressure ?

262 kJ 105 kJ 211 kJ 78 kJ Thermodynamics William Quiming

1052 In the Steady Flow Energy Equation, P1+K1+Wf1+U1+Q = P2+K2+Wf2+U2+W ; Q is____?

negative when heat is rejected by the body or system

negative when heat is added to the body or system

always positive positive when heat is rejected by the body or system


2023 Which energy is the most appropriate choice to analyze a process at constant pressure and temperature?

G F H U Thermodynamics William Quiming

548 Any process that can be made to go in the reversible process irreversible process adiabatic quasistatic Thermodynamics William


reverse direction by an infinetesimal change in the conditions is called __________

Quiming

2059 Which of the following is not an intensive variable?

Entropy Temperature Pressure Chemical Potential Thermodynamics William Quiming

395 A steam turbine receives 550 kPa steam with an enthalpy of 2955 kJ/kg. The turbine exhausts to 175 kPa and the exhaust steam has an enthalpy of 2765 kJ/kg. What is the energy used by the turbine ?

190 kJ/kg 13132 kJ/kg 12890 kJ/kg 263 kJ/kg Thermodynamics William Quiming

1164 It is used to measure the atmospheric pressure

Barometer Pressure gage Ammeter Manometer Thermodynamics William Quiming

414 A system in which mass crosses its boundaries.

Open system Closed system Operating system Heat transfer Thermodynamics William Quiming

1759 The temperature measured from absolute zero.

Absolute temperature Heat Centigrade Fahrenheit Thermodynamics William Quiming

1890 walls that do not permit matter to cross the boundary

impermeable walls permeable walls diathermal walls adiathermal walls Thermodynamics William Quiming

26 _________________________ states that mass is indestructible

Law of conservation of mass

Law of inertia Law of conservation of energy

Heat transfer Thermodynamics William Quiming

1511 The energy of the body due to its position or elevation

Potential energy Kinetic energy Heat Internal energy Thermodynamics William Quiming

1512 The energy or stored capacity for performing work possessed by a moving body, by virtue of its momentum

Kinetic Energy Potential energy Internal Energy Heat Thermodynamics William Quiming

1613 The multiplicative factor that relates the fundamental and conventional temperatures is known as:

The Boltzmann Constant

The Multiplicity Function

The Boltzmann Factor The Boltzmann Distribution


1673 The product of the displacement of the body and the component of the force in the

Work Heat Energy System Thermodynamics William Quiming


direction of the displacement.416 a System in which the boundaries are fixed,

ie. not allowing mechanical work to cross the system boundaries.

Rigid System Insulated System Diabatic Isolated system Thermodynamics William Quiming

1684 The radiant energy density for blackbody radiation goes as the temperature to what power?


2025 Which is a correct formulation of the Gibbs free energy?

G = U - τσ + pV (C) G = U - τσ - pV G = F - pV G = H + τσ Thermodynamics William Quiming

1898 What are the SI units of the chemical potential?

Joules Joules per square meter

No Units Kelvin Thermodynamics William Quiming

1897 We can define the Helmholtz free energy by: F = U - τσ F = U + τσ F = U + τ dσ F = U - τ dσ Thermodynamics William Quiming

1525 The expression - σ dτ + V dp + μ dN is equivalent to which of the following?

dG dU dF dH Thermodynamics William Quiming

1518 The energy U is intended to be a function of how many variables?


1361 Suppose that the μ = - 2τ. What is the value of λ

e^-2 e^2 e^(-1/2) e^(1/2) Thermodynamics William Quiming

697 Energy stored within a body or substance by virtue of the activity and configuration of its molecules and of the vibration of the atoms within the molecules.

Internal Energy Potential Energy Kinetic Energy Heat Thermodynamics William Quiming

460 According to the kinetic theory of gases, when the absolute temperature of an ideal gas doubles, the average kinetic energy of the molecules of the gas

doubles quadruples is quartered stays the same Thermodynamics William Quiming

2047 Which of the following is a unit for internal energy?

joule kelvin joule/molecule J/s Thermodynamics William Quiming


22 _____________ states that “ the acceleration of a particular body is directly proportional to the resultantforce acting on it and inversely proportional to its mass”.

Newton’s Law Charles law Boyle’s Law Coulomb’s law Thermodynamics William Quiming

1519 the entropy of a composite system is the ________ of the entropies of its constituent subsystems.

sum product average maximum Thermodynamics William Quiming

181 A heat engine takes in 200 J of thermal energy and performs 50 J of work in each cycle. What is its efficiency?

25 % 20 % 12 % 400 % Thermodynamics William Quiming

454 a word denoting a static condition, the absence of change. In thermodynamics it is taken to mean not only the absence of change, but the absence of any tendency toward change on a macroscopic scale.

Equilibrium Control volume Open System Energy flow rate Thermodynamics William Quiming

638 Container A has a sample of monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure and number of moles of molecules. Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

the gas in container B the gas in container A It is invalid to ask … it is not possible for an adiabatic process to reduce pressure.

the gases have equal temperature


1871 Two identical samples of an ideal gas are in equal volume containers A and B with the same pressure and temperature. The gas in A performs work W on the surroundings during an isobaric process before the pressure is reduced isochorically to ½ its initial amount.

B A each has equal temperature

The value of W and both initial pressure and volume is necessary to answer this question.



The gas in B has its pressure reduced isochorically to ½ its initial volume and then the gas performs work W on the surroundings during an isobaric process. After the processes are performed on the gases, which is at a higher temperature?

225 A mass m of helium gas is in a container of constant volume V. It is initially at pressure p and absolute (Kelvin) temperature T. Additional Helium is added, bringing the total mass of helium gas to 3m. After this addition, the temperature is found to be 2T. What is the gas pressure?

6 p 2 p 3/2 p 3 p Thermodynamics William Quiming

44 A 1/4 cubic meter volume of water is heated by 5 kW of heating oil. It is contained in a 1 kg aluminum container and heated from 20 to 25 degree centigrade. Find the total heat gained by the water and container. Note: C(Al) = 0.22 cal/g deg centigrade

1251100 calories 250000 calories 2550500 calories 3625000 calories Thermodynamics William Quiming

173 A gas is enclosed in a cylindrical piston. When the gas is heated from 0C to 100C, the piston is allowed to move to maintain a constant pressure. According to the Kinetic-Molecular Theory of Matter

the average speed of the molecules has increased

the size of the individual molecules has increase

the number of molecules of gas must increase

the mass of the gas will increase


336 A rectangular piece of metal 3cm high by 6cm wide has a hole cut in its center 1cm high by 4cm wide . As the metal is warmed from 0C to 100C what will happen to the dimensions of the hole?

both height and width will increase

both height and width will decrease

height will decrease while width will increase

height will increase while width will decrease


1984 What temperature change on the Kelvin scale 10 K 18 K 283 K 273 K Thermodynamics William


is equivalent to a 10 degree change on the Celsius scale

Quiming

1009 If two molecules in a gas collide, then total momentum is always exchanged

velocities are always exchanged

both molecules always speed up

velocities are always unchanged


1287 Points A and B are 100 m. apart and are of the same elevation as the foot of the bldg. The angles of elevation of the top of the bldg. from points A and B are 21 degrees and 32 degrees respectively. How far is A from the building in meters?

259.28 265.42 271.62 ) 277.92 Trigonometry William Quiming

983 If sin A = 2.511x, cos A = 3.06x and sin 2A = 3.393x, find the value of x?

0.256 0.265 0.562 0.625 Trigonometry William Quiming

204 A light is placed 5 ft. from the center of a globe 3 ft. in diameter. Find the area of the illuminated portion.

9.8960 sq. ft. 7.0215 sq. ft. 11.250 sq. ft. 8.0158 sq. ft. Trigonometry William Quiming

680 Each angle of a regular dodecagon is equal to 150 degrees 135 degrees 125 degrees 105 degrees Trigonometry William Quiming

1969 What is the value of (log 5 to the base 2) + (log 5 to the base 3)?


1861 Three times the sine of a certain angle is twice of the sqyare of the cosine of the same angle. Find the angle.

30 60 45 10 Trigonometry William Quiming

1993 When a logarithm is expressed as an integer plus a decimal (between 0 and 1), the integer is called

Characteristic Napierian logarithm Mantissa Briggsian logarithm Trigonometry William Quiming

984 If tan A and tan B=(1/3) find the angle (A + B). 45° 30° 60° 20° Trigonometry William Quiming

985 If tan x = 0.5,tan y = 0.33 , what is the value of tan (x+y)?

1 -1 2 -2 Trigonometry William Quiming


1480 The distance between the centers of the three circles which are mutually tangent to each other externally are 10, 12 and 14 units. The area of the largest circle is

64pi 46pi 27pi 72pi Trigonometry William Quiming

220 A man find the angle of elevation of the top of a tower to be 30 degrees. He walks 85 meters nearer the tower and finds its angle of elevation to be 60 degrees. What is the height of the tower?

73.61 m 73.16 m 73.31 m 76.31 m Trigonometry William Quiming

992 If the hypotenuse of a right triangle is known, what is the ratio of the base and the altitude of the right triangle when its area is maximum.

1:1 1:3 1:4 1:2 Trigonometry William Quiming

1025 In a triangle, find the side c if angle C=100°, side b = 20 and side a = 15.


732 Find the angle in mils subtended by a line 10 yards long at a distance of 5000 yards.

1 2 2.5 4 Trigonometry William Quiming

1024 In a triangle ABC, angle A = 60° and angle B = 45°. What is the ratio of side BC to side AC?


1257 One leg of a right triangle is 20 cm and the hypotenuse is 10 cm longer than the other leg. Find the length of the hypotenuse.


1251 Of what quadrant is A, if sec A is positive and csc A is negative?

IV II III I Trigonometry William Quiming

991 If the equation is unchanged by the substitution of y for x, its curve is symmetric with respect to the

origin x - axis y - axis line 45 degrees with the x - axis

Trigonometry William Quiming

41 4,800 mils is equivalent to ______ degrees. 270 135 235 142 Trigonometry William Quiming


1406 The area of an isosceles triangle is 36 sq.m. with the included angle of 30° between the two equal sides. Find the perimeter of the triangle.

30.21m. 32.12m. 28.43m. 29.65 m. Trigonometry William Quiming

1407 The area of an isosceles triangle is 72 sq.m. If the two equal sides make an angle of 20° with the third side, compute the length of the longest side.

28.13 meters 31.22 meters 27.84 meters 25.62 meters Trigonometry William Quiming

519 An imaginary line passing through the center of the earth and perpendicular to the axis of the earth.

Equator Meridians Parallels Prime meridian Trigonometry William Quiming

968 If an equilateral triangle is circumscribed about a circle of radius 10 cm. determine the side of the triangle.

34.64 cm 64.12 cm 36.44 cm 32.10 cm Trigonometry William Quiming

560 Assuming that the earth is a sphere whose radius is 6400 km. Find the distance along a 3 degree arc at the equator of the earth's surface.

335.10 km 533.10 km 353.10 km 353.01 km Trigonometry William Quiming

954 If (A + B) = 45, find the value of x if(1 + tan A)( 1 + tan B)=x


539 Angles formed with the meridians are called Bearings Longitudes Latitudes Poles Trigonometry William Quiming

877 Given a triangle with angle C = 28.7°, side a 132 units and side b = 224 units. Solve for angle B.

120° 110° 90° 130° Trigonometry William Quiming

492 An angle equal to one revolution or 360 degress.

Perigon Explement angle Reflex angle Supplement angle Trigonometry William Quiming

829 Find the value of x if x = tan 50° - tan 40° 2 tan l0° Tan 10° Cot 10° Tan 10° Trigonometry William Quiming


1339 Solve for x if cosh x- sinh x = 0.0001234 9 4 5 8 Trigonometry William Quiming

1389 The angle of a sector is 30 degrees and the radius is 15 cm. What is the area of the sector in sq. cm.?


493 An angular unit equivalent to 1/400 of the circumference of a circle is called

Grad Degree Radian Mil Trigonometry William Quiming

1338 Solve for x if Cosh x + Sinh x = 7.389. 2 10 Ex 1 Trigonometry William Quiming

965 If A+B+C=180 degrees and tan A + tan B + tan C = 5.67, find the value of tan A tan B tan C.


818 Find the sum of the interior angles of the vertices of a five pointed star inscribed in a circle.

180 degrees 160 degrees 170 degrees 150 degrees Trigonometry William Quiming

399 A steel girder 16 m. long is moved on rollers along a passageway 8m. wide and into a corridor at right angles with the passageway. Neglecting the width of the girder, how wide must the corridor be?

3.6 m 1.4 m 1.8 m 2.8 m Trigonometry William Quiming

1328 Sin (B - A) is equal to _______, when B = 270 degrees and A is an acute angle.

- cos A Cos A - sin A Sin A Trigonometry William Quiming

828 Find the value of sin [arc cos (15/17)] 8/9 8/21 8/17 9/21 Trigonometry William Quiming

1611 The most well-known, naturally occuring radioactive elements.

uranium and radium polonium and cesium polonium and chromium

sodium and magnesium

Uncategorized William Quiming

1612 The movement of molecules of water through a "differentially permeable" or "semipermeable' membrane.

osmosis Tyndall effect electrolysis Brownian movement Uncategorized William Quiming

1608 The most common oxidation number for +4 +1 +2 +3 Uncategorized William


silicon in a compound would be: Quiming1544 The general equation for metathesis reaction. AB + CD --------> AD +

CBA + BC --------> AC + B A + B ---------> AB AB ---------> A + B Uncategorized William

Quiming1564 The law stating that many of the physical and

chemical properties of the elements tend to recur in a systematic manner with increasing atomic number.

Periodic Law Electron Shell Theory Quantum Theory Avogadro’s Law Uncategorized William Quiming

1596 The minor component of a solution. solute solvent mixture substance Uncategorized William Quiming

1121 It is composed of two elements. Binary Compound Ternary Compound Multiple Compound Ionic Compound Uncategorized William Quiming

1545 The general equation of synthesis or direct combination reaction.

A + B --------> AB AB --------> A + B A + BC ---------> AC + B AB + CD --------> AD + CB


1109 It is a type of balanced chemical equations that shows all compounds with complete, neutral molecular formulas; useful in planning experiments and stoichiometry calculations.

molecular equation ionic equation net ionic equation compound equation Uncategorized William Quiming

1546 The glowing beam which travels from the cathode to the anode

cathode ray anode ray diode ray none of the above Uncategorized William Quiming

1550 The heat of fusion is defined as the energy required at constant temperature to change 1 unit mass of a ______.

solid to a liquid gas to a liquid gas to a solid solid to a gas Uncategorized William Quiming

1607 The most common elements used in making processors such as the Pentium microprocessor.

Silicon and germanium Gallium and Arsenic Silicon and Boron Gallium and Silicon Uncategorized William Quiming

1503 The emission of an alpha particle during the decay of Uranium 238 is an example of a:

nuclear change chemical change physical change phase change Uncategorized William Quiming

1103 It is a quality of matter that is a characteristic intrinsic property extrinsic property chemical property radioactive property Uncategorized William


of any sample of a substance, regardless of the shape or size of the sample.

Quiming

1097 It is a natural tendency of systems to move in the direction of maximum chaos or disorder.

Law of Disorder Law of Definite Proportion

Le Chatelier's Principle Brownian Principle Uncategorized William Quiming

10 ________ refers to the sound produced by an object which is vibrating at a frequency higher than a human can hear.

Ultrasonic Infrasonic seismic supersonic Uncategorized William Quiming

1516 The energy stored in chemicals because of their compositions.

chemical potential energy

chemically stored energy

potential chemical energy

stored energy Uncategorized William Quiming

1676 The property by which an atomic nucleus gives off alpha, beta or gamma radiations.

radioactivity radiactive decay radiation radioisotopes Uncategorized William Quiming

1517 The energy that is required to overcome the attraction of the nuclear charge and remove an electron from a gaseous atom is called _______.

ionization energy oxidation energy chemical energy bond energy Uncategorized William Quiming

1594 The minimum energy colliding particles must have in order to react.

activation energy ionization energy chemical energy chemical potential energy


1509 The energy of an object because of its motion.

kinetic energy potential energy motion energy mechanical energy Uncategorized William Quiming

1614 The negative logarithm of the hydrogen-ion concentration.

pH alkaline % concentration molality Uncategorized William Quiming

1501 The elements in the periodic table with atomic numbers above 92 are called ____.

transuranium element elemental atom Lanthanide series Transition metals Uncategorized William Quiming

1542 The fourth quantum number is also called as ________.

spin quantum number azimuthal quantum number

magnetic quantum number

principal quantum number


1568 The lightest element is _____. hydrogen nitrogen helium Neon Uncategorized William Quiming

1096 It is a molecule consisting of two atoms. diatomic molecule binary molecule bilateral molecule two-atom molecule Uncategorized William Quiming


1540 The formation of water from oxygen and hydrogen is an example of a:

chemical change physical change nuclear change phase change Uncategorized William Quiming

1740 The sum of the atomic weights of the atoms making up a molecule.

molecular weight atomic weight percentage weight average atomic mass Uncategorized William Quiming

1566 The length of a sample substance is of what physical property of matter?

extrinsic property intrinsic property chemical property radioactive property Uncategorized William Quiming

1527 The first halogen found in the periodic table. flourine chlorine oxygen nitrogen Uncategorized William Quiming

1699 The reaction in which an acid or oxide reacts with a base or basic oxide to form water and salt

neutralization reaction metathesis reaction combination reaction redox reaction Uncategorized William Quiming

1657 The process by which uranium gives off rays is termed by the Curie's as ________.

radioactivity radiation emmission radioactive decay Uncategorized William Quiming

1701 The reaction that follows the reverse of combination reaction.

decomposition reaction redox reaction oxidation reaction reduction reaction Uncategorized William Quiming

1710 The second quantum number is also called as __________.

azimuthal quantum number



spin quantum number Uncategorized William Quiming

1639 The phase change represented by the equation I2 (s) ----> I2 (g) is called _________.

sublimation condensation melting boiling Uncategorized William Quiming

1638 The pH of water is of what value? 7.0 0 14.0 10.0 Uncategorized William Quiming

1637 The pattern of frequencies obtained by passing light emitted by atoms of an element in the gaseous state through a prism.

atomic emission spectrum

tyndall effect effusion electrolysis Uncategorized William Quiming

1700 The reaction in which two compounds react to form two new compounds and it involves ions and the positive ions exchange partners with the negative ions to form the two new compounds.

metathesis reaction neutralization reaction

combination reaction redox reaction Uncategorized William Quiming


1631 The ozone layer is composed of what atom? oxygen atom carbon atom hydrogen atom nitrogen atom Uncategorized William Quiming

1707 The scattering of light when it is focused on a colloid.

Tyndall Effect Colloidal Effect Photoelectric effect Diffusion Uncategorized William Quiming

1628 The odor of a substance or mixture is of what physical property of matter?

intrinsic property extrinsic property chemical property radioactive property Uncategorized William Quiming

1666 The process of separating the components of a mixture by absorbing components at different locations on a solid surface.

chromatography crystallography fitration diffussion Uncategorized William Quiming

1728 The smell of rotten eggs is due to a substance that contains the element_________.

nitrogen sulfur carbon potassium Uncategorized William Quiming

1729 The solubility of substance belongs to what property of matter?


1730 The splitting of the nucleus into smaller fragments, encompanied by the release of neutrons and a large amount of energy.

fission fusion exergonic effloresce Uncategorized William Quiming

1625 The number of protons in the nucleus at the atom of an element

atomic number atomic mass mass number isotopes Uncategorized William Quiming

1658 The process in which an unstable nucleus loses energy by emitting radiation.

radioactive decay radiation radiactivity radioisotopes Uncategorized William Quiming

1735 The structure of an atom is best described as: electrons in orbit about a nucleus of protons and neutrons

neutrons in orbit about a nucleus of protons bound to electrons

electrons and neutrons in orbit about a nucleus of protons

protons and neutrons in orbit about a nucleus of electrons


1715 The shared pair of electrons is in a new type of orbital often referred to as what?

molecular orbital ionic orbital covalent orbital atomic orbital Uncategorized William Quiming

940 How many protons are there in an atom of Neon(Ne) with atomic number of 10.

10 6 11.5 5 Uncategorized William Quiming

1737 The substance in a redox reaction that oxidizing agent reducing agent accepting agent donating agent Uncategorized William


accepts electrons is called ____. Quiming1720 The size ratio of the atom to the nucleus is

what?10,000 to 1. 1,000 to 1 100 to 1 10 to 1 Uncategorized William

Quiming1727 The smallest group of particles within a

crystal that retains the geometric shape of the crystal.

unit cell crystal lattice constant dimensional pattern Uncategorized William Quiming

1582 The maximum number of electrons in an energy level is determined from the formula _______.

2(n)^2 n^2 (n)^2/2 2n Uncategorized William Quiming

1580 The mass of a substance or mixture is of what physical property of matter?


1505 The ends of a line segment are at (7,-2) and (1,6). Find the equation of the perpendicular bisector of the segment.

3x - 4y = 4 3x - 2y = 8 2x + y = 10 X + 3y = 6 Uncategorized William Quiming

1111 It is an arrangement which shows what metal can displace another metal from an aqueous solution of its salt or acid.

activity series of elements

disintegration series of elements

sequence of elements order of elements Uncategorized William Quiming

1652 The pressure exerted by the air molecules in the atmosphere surrounding the earth.

atmospheric pressure absolute pressure gage pressure vapor pressure Uncategorized William Quiming

1579 The major component of a solution. solvent solute mixture substance Uncategorized William Quiming

1578 The main energy level of an atom that can accommodate a maximum of 8 electrons is the _________.

second E-level first E-level third E-level fourth E-level Uncategorized William Quiming

1552 The important isotopes of carbon are carbon-12, carbon-13, and carbon-14. How many protons are there in each?

6 7 8 9 Uncategorized William Quiming

1624 The number of orbitals in the second principal energy level of an atom (n = 2) is:



1498 The element that correspond to Ag is _________.

silver tin antimony astatine Uncategorized William Quiming

1682 The quantity of heat that raises the temperature of 1 gram of pure water 1 degree Celsius.

calorie British Thermal unit fahrenheit rankine Uncategorized William Quiming

1606 The most common color of pure carbon is: black white metallic silver yellow Uncategorized William Quiming

1617 The nucleus of an atom consists of _______. protons and neutrons electrons neutrons protons, neutrons, and electrons


1702 The reaction that follows the simple formula A + B = C.

combination reaction decomposition reaction

redox reaction oxidation reaction Uncategorized William Quiming

1679 The quality of matter that is not a characteristic of the substance itself.


1573 The lowest whole number ratio of ions in an ionic compound.

formula unit balanced formula molecular formula ionic formula Uncategorized William Quiming

1674 The production of ethanol from sugars by the action of yeast or bacteria.

fermentation hydrogenation oxidation pasteurization Uncategorized William Quiming

1572 The lowest principal quantum number for an electron is:


1708 The scientific term for the conversion of a liquid to gas or vapor below its boiling point is ______.

evaporation condensation sublimation respiration Uncategorized William Quiming

1709 The second most abundant element in the universe is what?

helium hydrogen oxygen carbon Uncategorized William Quiming

1623 The number of equivalents per liter of solution.

normality molality molarity mole Uncategorized William Quiming

1528 The first scientist who distinguish between gases and air?

Jan Baptista van Helmont

Niels Bohr Melvin Calvin Ernest Rutherford Uncategorized William Quiming

690 Elements whose outermost s sublevel and transition metals inner transition noble gases representative Uncategorized William


the nearby d sublevel contain electrons. metals elements Quiming645 Dalton based his relative atomic weight scale

on _______.hydrogen lithium carbon helium Uncategorized William

Quiming646 Defined as one-twelth the mass of a carbon -

12 atom.atomic mass unit atomic mass atomic number mass number Uncategorized William

Quiming677 Dissolving salt in water is an example of

which type of change?physical chemical nuclear radioactive Uncategorized William

Quiming679 Dry ice is the solid form of what? carbon dioxide air nitrogen oxygen Uncategorized William

Quiming872 General equation of replacement reaction. A + BC ---------> AC + B A+B ---------> AB AB ---------> A + B AB + CD --------> AD +

CBUncategorized William

Quiming687 Elements in which the outermost s and p

sublevels are filled.noble gas repuresentative

elementstransition metals inner transition metals Uncategorized William

Quiming1365 Table salt is: Sodium Chloride Sodium Bicarbonate Potassium Chloride Iodine Uncategorized William

Quiming689 Elements whose outermost s or p sublevels

are only partially filledrepresentative elements

noble gases transition metals inner transition metals Uncategorized William Quiming

688 Elements that have a high electrical conductivity and a high luster when clear

metals non metals metalloids non metallic Uncategorized William Quiming

691 Elements whose outermost s sublevel and the nearby f sublevel generally contain electrons.

inner transition metals transition metals noble gases representative elements


692 Elements with the properties of both metals and nonmetals.

metalloids metals non metals metallic Uncategorized William Quiming

849 Fluorine gas is: yellowish brown yellowish green white colorless Uncategorized William Quiming

565 At is the chemical symbol for which element? Astatine Arsenic Actinium Antimony Uncategorized William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist681 Each column of elements in the periodic table

is known as a ______.group table element metals Uncategorized William

Quiming605 Calculate the formula weight of water

[H(sub2)O] with atomic weights 1 and 16 for hydrogen and oxygen respectively.

18 amu 16 amu 15 amu 17 amu Uncategorized William Quiming

583 Atoms or group of atoms that have a positive or negative charge

ions compounds bonds element Uncategorized William Quiming

622 Chlorine gas is: green-yellow white pale pink colorless Uncategorized William Quiming

1366 'Table sugar' is which type of sugar? Sucrose Glucose Galactose Fructose Uncategorized William Quiming

896 He stated that element shows a periodicity (regular pattern) of properties when they are arranged according to atomic weight.

Dimitry, Mendeleyeb Ivanovich

Ernest Rutherford John Dalton Democritus Uncategorized William Quiming

1332 Sn is the element symbol for what? Tin Selenium Seaborgium Antimony Uncategorized William Quiming

1334 Sodium bicarbonate is commonly used in cooking as:

Baking Soda Baking Powder Cream of Tartar Alum Uncategorized William Quiming

1335 Solid X is placed in contact with solid Y. Heat will flow spontaneously from X to Y when

X is 10°C and Y is 5°C X is 20°C and Y is 20°C X is -25°C and Y is -10°C

X is 25°C and Y is 30°C Uncategorized William Quiming

1336 Solutions where the solvent is alcohol are called ______.

tincture aqueous solution alcoholic solution acid Uncategorized William Quiming

1342 Specific gravity of matter belongs to what property?


1416 The atomic mass of an element expressed on grams.

gram atomic mass gram molecular mass gram mass atomic gram Uncategorized William Quiming

628 Compounds that are composed of molecules are _________.

molecular compound intermolecular compound

ionic compound none of the above Uncategorized William Quiming

1404 The area of a sample substance is of what extrinsic property intrinsic property chemical property radioactive property Uncategorized William


physical property of matter? Quiming627 Compounds normally found outside the

bodies of living things or their remains like fossils and petroleum are called _____.

inorganic compounds organic compounds carbon compounds fuel Uncategorized William Quiming

1369 Term for the reaction of two or more substances that react to form a single substance.

combination reaction decomposition reaction

convergent reaction fussion reaction Uncategorized William Quiming

1374 The ability of a metal to be drawn into wire is a measure of its:

Ductility Hardness Malleability Strength Uncategorized William Quiming

1378 The acid in most car batteries, sometimes known as 'Oil of Vitriol', is:

Sulfuric acid. Acetic acid. Nitric acid. Hydrochloric acid. Uncategorized William Quiming

1387 The amount of product that forms when reaction is carried out in the laboratory.

actual yield theoretical yield percentage yield experimental yield Uncategorized William Quiming

1320 Selenium belongs to what family? Chalcogens Nitrogen Family Halogens Noble Gases Uncategorized William Quiming

1345 STP means ______. Standard temperature and pressure

Sustained temperature and pressure

Stable temperature and pressure

Straight temperature and pressure


589 Beta emission during the decay of carbon 14 is an example of:

nuclear change physical change chemical change quantum change Uncategorized William Quiming

1357 Substances which exhibit a specific color in the presence of an acid or base.

indicators litmus paper methyl orange bromphenol blue Uncategorized William Quiming

938 How many protons are there in an atom of Sodium(Na) with atomic number of 11.


584 Atoms or group of atoms with a negative charge

anion cation anode cathode Uncategorized William Quiming

920 How many elements are known to occur in nature?


930 How many moles are there in 2.408 x 10^24 4.0 moles 5.0 moles 6.0 moles 3.5 moles Uncategorized William


molecules of HCl. Quiming919 How many electrons are there in an atom of

Beryllium with atomic number of 4.4 5 6.5 8 Uncategorized William

Quiming932 How many moles of magnesium are 3.01 x

10^22 atoms of magnesium?0.500 x 10^(-1) mol Mg 0.550 x 10^(-2) mol

Mg0.512x 10^(-3) mol Mg 0.600 x 10^(-4) mol Mg Uncategorized William

Quiming933 How many neutrons are there in an atom of

Neon(Ne) with atomic number of 10 and mass number of 20.


934 How many neutrons are there in an atom of Sodium(Na) with atomic mass number of 23? (Na atomic number = 11)


925 How many elements have been made artificially?

2222

19 15 25 Uncategorized William Quiming

937 How many protons are there in a lithium? 3 2 1 4 Uncategorized William Quiming

924 How many elements constitute 99% of the earth's crust?


929 How many molecules are there in 1.5 moles of water?

9.03 x 10^23 molecules 9.03 x 10^21 molecules

9.054 x 10^19 molecules

10 x 10^23 molecules Uncategorized William Quiming

903 How is the reaction 2H(sub2) + O(sub2) ---------> 2H(sub2)O described in words?

two molecules of hydrogen combine with one molecule oxygen to form two molecules of water

two molecules of hydrogen combine with two molecules of oxygen to form two molecules of water

four molecules of hydrogen combine with two molecules of oxygen to form two molecules of water

two atoms of hydrogen combines with one atom of oxygen to form two atoms of water


889 Graphite is an allotrope of what element? carbon silicon potassium sodium Uncategorized William Quiming

890 Grass looks green because it _____. reflects green light absorbs green light absorbs red light refracts green spectrum


893 H(sub 2), N(sub 2), Cl(sub 2), P(sub 4) and elemental molecules molecular compounds even compounds diatomic particles Uncategorized William


S(sub 6) are called__________. Quiming894 H(sub 2)O is the chemical formula for what? both water and ice water ice neither ice nor water Uncategorized William

Quiming45 A 100 kg salt solution is originally 4% by

weight. Salt in water is boiled to reduce water content until the concentration is 5% by weight salt. How much water is evaporated?

20 kg 15 kg 17 kg 18 kg Uncategorized William Quiming

935 How many neutrons are there in an atom of Beryllium with atomic number of 4 and mass number of 9.


616 Cesium belongs to what family of elements? Alkali metals Alkaline Earth metals Transuranium element

Nitrogen Family Uncategorized William Quiming

1423 The atomic number of oxygen. 8 6 9 10 Uncategorized William Quiming

321 A pure substances that are made up of two or more elements combined in definite and constant proportion.

compounds solutions suspensions mixtures Uncategorized William Quiming

593 Boiling, freezing and melting point of a substance or mixture is a quality that belongs to what property of matter?


626 Compounds composed of positive cations and negative anions

ionic compounds molecular compounds atomic compound intermolecular compound


604 C is the chemical symbol for which element? Carbon Calcium Cesium Copper Uncategorized William Quiming

623 Cm is the chemical symbol for which element?

Curium Californium Cerium Calcium Uncategorized William Quiming

606 Calculate the molar(M) concentration of a solution that contains 3.25 mol of sodium

13 M 0.013 M 1.3 M 130 M Uncategorized William Quiming


chloride in 250 mL of solution.927 How many grams of NaCl are present in a

250-g salt solution containing 9% NaCl?22.5 g 250 g 227.5 g 0.09 g Uncategorized William

Quiming611 Cellulose is polymer of which sugar? Glucose Galactose Saccharose Sucrose Uncategorized William

Quiming587 Balance Na + Cl(sub 2) ------> NaCl 2Na + Cl(sub 2) ------>

2NaCl2Na + 3Cl(sub 2) ------> 3NaCl

3Na + 2Cl(sub 2) ------> 2NaCl

3Na + Cl(sub 2) ------> 2NaCl


620 Changing the number of neutrons of an atom changes its:

isotope element ion charge Uncategorized William Quiming

873 Generally, the number of neutrons in the nucleus is equal to the number of _______?

protons electrons positrons valence electrons Uncategorized William Quiming

603 By the process of oxidation, iron, in the presence of water, combines with atmospheric oxygen to form a hydrated iron oxide, commonly called _____.

rust ammonia formalin lime Uncategorized William Quiming

931 How many moles are there in 3.01 x 10^23 atoms of calcium?

0.5 mole 0.4 mole 1 mole 1.5 moles Uncategorized William Quiming

871 Gases that exactly obey the gas laws are called _____.

Ideal gases Combined gases Theoretical gases Absolute gases Uncategorized William Quiming

922 How many elements are naturally found in nature?


923 How many elements constitute 93% of the human body


608 Calculate the percent concentration of NaCl in a solution that contains 2.8 g of NaCl in 75g of solution.

3.73 % 3.6 % 96.4 % 96.27 % Uncategorized William Quiming

1266 One way of separating mixture by settling heavy solids and pouring off the liquid.

decantation filtration distillation crystallization Uncategorized William Quiming

248 A method of separating mixtures applied in fractional distillation filtration decantation crystallization Uncategorized William


the petroleum industry and used especially for the components of crude oil.

Quiming

249 A mineral used for commercial production of metal.

ore quartz lime salt bridge Uncategorized William Quiming

131 A compound that conducts an electric current in aqueous solution or in the molten state.

electrolyte diprotic acid effloresce exergonic Uncategorized William Quiming

185 A heterogeneous mixture wherein the components are not evenly distributed throughout.

suspension colloid solution concentrated mixture Uncategorized William Quiming

1292 Pure copper is? reddish metallic metallic silver greenish gold blue gray Uncategorized William Quiming

1259 One mole of any compund is how many molecules?

6.02 x 10^23 60.2 x 10^23 1.6021 x 10^(-19) 1.6021 x 10^(-20) Uncategorized William Quiming

1445 The changes in matter that do not result in the formation of new substances.

physical changes chemical changes intrinsic changes extrinsic changes Uncategorized William Quiming

1261 One of the choices is not organic.Which? baking soda sugar starch perfume Uncategorized William Quiming

235 A measure of the amount of solute that dissolves in a given solvent at a particular temperature.

solubility saturation emulsion dynamic equilibrium Uncategorized William Quiming

1267 One way of separating mixtures by evaporating and condensing a liquid.

distillation decantation filtration crystallization Uncategorized William Quiming

1268 One way of separating mixtures by which fine solids are separated from liquids.

filtration decantation distillation crystallization Uncategorized William Quiming

1446 The changes of matter that result in the disappearance of substances and the formation of new ones.

chemical changes physical changes intrinsic changes extrinsic changes Uncategorized William Quiming

1271 Organic compound is also known as carbon compound hydrocarbon hydrochloric living compound Uncategorized William


_________. compound compound Quiming1247 Nonmetal Oxide + Water -------->

__________.Oxyacid Nometal oxide Metal oxide Salt Uncategorized William

Quiming1302 Refers to the amount of solute in a given

amount of solvent or solution.concentration diffussion dilution corrossion Uncategorized William

Quiming1304 Refers to the number of moles of solute per

litre of solutionmolarity % V/V dilution proof number Uncategorized William

Quiming1260 One mole of any element is how many

atoms?6.02 x 10^23 atoms 1.6021 x 10^(-19)

atom1.675 x 10^(-27) atom 0.0224 atom Uncategorized William

Quiming141 A copper penny has a mass of 3.1g and a

volume of 0.35 cm^3. What is the density of the copper?

8.9 g/cm^3 8.5 g/cm^3 8.6 g/cm^3 8 g/cm^3 Uncategorized William Quiming

939 How many protons are there in an atom of Beryllium with atomic number of 4.

4 8 9 2.5 Uncategorized William Quiming

310 A process in which electrical energy is used to bring about a chemical change.

electrolysis dialysis hydrolysis electrovalent reaction Uncategorized William Quiming

311 A process in which electrons are ejected by certain metals when light of sufficient frequency shines on them.

photoelectric effect peizoelectric effect brownian motion Tyndall effect Uncategorized William Quiming

314 A process that loses heat into the surroundings is called __________.

exothermic process endothermic process intrinsic process extrinsic process Uncategorized William Quiming

315 A process that occurs when an ionic solute dissolves in solution.

solvation diffussion sublimation saponification Uncategorized William Quiming

277 A particle of radiation equivalent to helium nuclei consisting of two protons and two neutrons.

alpha particles beta particles gamma rays radioactive decay Uncategorized William Quiming

209 A liquid that is strongly acidic would have a pH closer to what


246 A metal found in hemoglobin, many magnets iron potasium zinc lead Uncategorized William


and steel. Quiming133 A concentration of solution that contains a

large amount of solute.concentrated solution diffuse solution supersaturated

solutionacidic solution Uncategorized William

Quiming243 A measurement which gives descriptive,

nonnumeric resultsqualitative measurement

quantitative measurement

statistical measurement

experimental measurement


144 A covalent bond in which three pairs of electrons are shared by two atoms,

triple covalent bond polar bond non-polar bond double covalent bond Uncategorized William Quiming

167 A formula with the lowest whole-number ratio of elements in a compound. Example: The formula of H(sub2)O(sub2) is HO.

empirical formula balanced formula molecular formula ionic formula Uncategorized William Quiming

180 A group voltaic cells that are connected together.

battery dry cell fuel cell half-cell Uncategorized William Quiming

261 A molecule that has two poles is called _________.

dipole bipolar molecule dipolar molecule bipole Uncategorized William Quiming

193 A homogeneous mixture made up of solute dissolved in solvent, the composition of which is variable.

solution concentration dilution sublimation Uncategorized William Quiming

260 A molecule formed by the breakdown of fatty acids in cooking meat.

acrolein formaldehyde ethanol alcohol Uncategorized William Quiming

1317 Rust is formed from iron and which other element?

Oxygen Hydrogen Nitrogen Sulfur Uncategorized William Quiming

1443 The change of a substance from a solid to a gas or vapor without passing through the liquid state.

sublimation evaporation condensation respiration Uncategorized William Quiming

1424 The atomic number of scandium. 21 20 30 31 Uncategorized William Quiming

1308 Regular coffee, tea, and cola all contain which stimulant?

Caffeine Sucrose Theobromine Theophylline Uncategorized William Quiming

1428 The basic building block of matter. atom compound molecule element Uncategorized William


Quiming1417 The atomic number of an atom is: the number of protons

in the nucleusthe number of neutrons in the nucleus

the number of electrons in an atom

the sum of the number of protons and neutrons in the nucleus


1418 The atomic number of boron. 5 4 13 14 Uncategorized William Quiming

1419 The atomic number of cabon. 6 4 12 14 Uncategorized William Quiming

1420 The atomic number of carbon is 6. One atom of carbon has how many electrons?


1421 The atomic number of flourine. 9 7 8 10 Uncategorized William Quiming

1324 Shows the number and kinds of atoms present in a molecule of a compound.

molecular formula empirical formula balance formula ionic formula Uncategorized William Quiming

1319 Salt, water, iron rust, and rubber are examples of what?

compounds ions solutes solvents Uncategorized William Quiming

1246 Nonmetal + Oxygen -------> __________. Nonmetal oxide Oxyacid Salt Metal hydroxide Uncategorized William Quiming

1388 The amount of product that forms when the reaction is carried out in the laboratory is called _____.

actual yield theoretical yield excess yield percent yield Uncategorized William Quiming

1430 The boiling point of a liquid at a pressure of 101 kPa.

normal boiling point constant boiling point stable boiling point unstable boiling point Uncategorized William Quiming

1431 The bond between sulfur (electronegativity value 2.5) and chlorine (electronegativity value 3.0) would be:

polar covalent nonpolar covalent ionic not formed Uncategorized William Quiming

1435 The bubbles in champagne and soda are: Carbon Dioxide Hydrogen Nitrogen Oxygen Uncategorized William Quiming


1438 The capacity to do work or to supply heat. energy work chemical energy temperature rise Uncategorized William Quiming

1441 The central core of an atom composed of protons and neutrons

nucleus atomic core isotopes alpha particles Uncategorized William Quiming

285 A pH less than 7.0 is said to be __________. acidic basic neutral concentrated Uncategorized William Quiming

1422 The atomic number of hydrogen. 1 6 14 12 Uncategorized William Quiming

1219 Melting ice into water is an example of a _______.

physical change chemical change nuclear change phase change Uncategorized William Quiming

921 How many elements are man-made? 22 96 24 89 Uncategorized William Quiming

1318 S is the chemical symbol for which element? Sulfur Selenium Seaborgium Scandium Uncategorized William Quiming

1270 Orbitals are not occupied by: 3 electrons 2 electrons 1 electron 0 electron Uncategorized William Quiming

1224 Metal Oxide + Nonmetal Oxide --------> _________.

salt binary compound oxyacid metal hydroxide Uncategorized William Quiming

1178 It states that when two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers.

Law of Multiple Proportion

Law of Definite Proportion

Law of Compounds Law of Atomic Equality Uncategorized William Quiming

1183 IUPAC stands for what? International Union of Pure and Applied Chemistry

International Union of Physics and Chemistry

International Union of Physically Applied Chemistry

International Union of Pure and Allied Chemistry


1185 Light quanta are called __________. photon plasma positron nucleus Uncategorized William Quiming

1222 Meta + Nonmetal ---------> _______________. Binary compound Ternary compound Nonmetal oxide Metal oxide Uncategorized William


Quiming1204 Mass of one mole of a substance. molar mass atomic mass substance mass molecular mass Uncategorized William

Quiming1310 Rh is the chemical symbol for which element? Rhodium Rhenium Ruthenium Rutherfordium Uncategorized William

Quiming1255 One important source of Vitamin C is citrus

fruit. Vitamin C is:Ascorbic acid. Citric acid. Salicylic acid. Tricarboxylic acid. Uncategorized William

Quiming1223 Metal + Oxygen --------> ________. Metal Oxide Oxyacid Salt Metal hydroxide Uncategorized William

Quiming1248 Normal human body temperature is 37

degree celsius. What is your temperature in Kelvin?

370 degree K 312 degree K 311 degree K 37 degree K Uncategorized William Quiming

1225 Metal Oxide + Water --------> _________. Metal hydroxide Oxyacid Salt Binary Compound Uncategorized William Quiming

1230 Mg is the chemical symbol for which element?

Magnesium Manganese Element 110 Element 111 Uncategorized William Quiming

1243 Neutral solutions have a pH of: 7 0 14 -7 Uncategorized William Quiming

1244 Neutralisation is the posh name that chemists give to the reaction between an acid and a(n) what?

Alkali Dratini Alkaline Alibi Uncategorized William Quiming

1203 Mass of mole of any element or compound. molar mass molecular mass mole mass unit atomic mass Uncategorized William Quiming

327 A quantum of light. photon deuterium positron plasma Uncategorized William Quiming

554 Ar is the chemical symbol for which element? Argon Americium Arsenic Element 112 Uncategorized William Quiming

546 Any member of a class of organic compounds containing covalently bonded flourine,

halocarbon carbon-12 chalcocarbon hydrocarbon Uncategorized William Quiming


chlorine, bromine, or iodine526 An ion that is common to both salts in a

solution.common ion anion cation crystal Uncategorized William

Quiming324 A quantum number that refers to the main

energy level.principal quantum number




529 An ionic bond differs from a covalent bond in that:

in an ionic bond, one or more electrons transfer from one atom to another; while in a covalent bond, one or more electrons is shared by two atoms

an ionic bond is stronger

in an ionic bond, one or more electrons is shared by two atoms; while in a covalent bond, one or more electrons transfer from one atom to another

an ionic bond is between atoms, while a covalent bond is between molecules


326 A quantum number that tells which particular orbital the electron occupies within an energy sub-level.





2092 Who discovered the element thallium and developed a sodium amalgamation process for the separation of silver and gold from their ores.

William Crookes Joseph Black Melvin Calvin Walther H. Nernst Uncategorized William Quiming

544 Any acid that contains two ionizable protons is called __________.

diprotic acid dual acid semi-acid dipolic acid Uncategorized William Quiming

561 Astatine belongs to what family of elements? Halogen Family Chalcogen Family Nitrogen Family Noble Gases Uncategorized William Quiming

1757 The temperature at which the vapor pressure of a liquid is just equal to the external pressure on the liquid.

boiling point freezing point absolute zero triple point Uncategorized William Quiming

1756 The temperature at which the solid turns into a liquid.

melting point boiling point decompisition point evaporation point Uncategorized William Quiming


1752 The taste of a substance or mixture is what physical property of matter?


1751 The symbol for the element Cesium is _____. Cs Ce Cm C Uncategorized William Quiming

1750 The symbol for the element antimony is: Sb An As Mn Uncategorized William Quiming

1749 The symbol for Rhodium is _________. Rh Rd Ro Rm Uncategorized William Quiming

1762 The tendency of iron to rust exhibits what change in matter?

chemical change physical change intrinsic change extrinsic change Uncategorized William Quiming

545 Any atom or group of atoms with a positive charge

cation cathode anode anion Uncategorized William Quiming

505 An electrochemical cell used to convert chemical energy into electrical energy.

voltaic cell unit cell dry cell fuel cell Uncategorized William Quiming

895 Half the distance between the nuclei of two like atoms is the ____.

atomic radius half-life atomic spectra orbital Uncategorized William Quiming

2095 Who is best known as the coinventor of cordite, a smokeless gunpowder that replaced black powder, a mix of charcoal, sulfur, and potassium nitrate, in firearms, especially in military weapons.

Frederick Abel Niels Bohr Eduard Buchner Wilhelm Ostwald Uncategorized William Quiming

2096 Who studied the properties of complex organic chemicals in terms of the three-dimensional orientation of the bonds between their atoms?

Derek H. R. Barton Niels Bohr Wilhelm Ostwald Louis Pasteur Uncategorized William Quiming

2097 Who studied the specific heat of hydrogen and was the first person to produce hydrogen in liquid form.

James Dewar Robert Hill Alfred Werner Adolf von Baeyer Uncategorized William Quiming

2098 Whose scientist studied enzymes, which act Sir John W. Cornforth Joseph Black Henry Cavendish Melvin Calvin Uncategorized William


as catalysts in helping certain chemical reactions take place?

Quiming

329 A reaction wherein the atoms of an element replace the atoms of the second element in the compound.

single-replacement reaction

combination reaction convergent reaction decomposition reaction


510 An element used in torches for welding. oxygen hydrogen nitrogen carbon Uncategorized William Quiming

322 A quantity of a substance that contains 6.02 x 10^23 representative particles of that substance.

mole Avogadro's number representative particle

molar unit Uncategorized William Quiming

509 An element that makes up about 78% of the atmosphere.

nitrogen oxygen hydrogen silicon Uncategorized William Quiming

556 Aspirin is: acetylsalicylic acid acetaminophen ibuprofen paracetamol Uncategorized William Quiming

511 An element which is the chief constituent of bones and teeth.

calcium magnesium potassium sodium Uncategorized William Quiming

508 An element is determined by the number of ____________.

protons neutrons electrons atoms Uncategorized William Quiming

340 A region in space around the nucleus of an atom where there is high probability of finding an electron.

atomic orbital energy level nuclei sublevels Uncategorized William Quiming

507 An electron dot symbol for an element shows that element's symbol and an arrangement of dots that indicates the:

number of electrons in the outer energy level

atomic number atomic mass total number of electrons


515 An ethanol to which a poisonous substance has been added to make it unfit to drink.

denatured alcohol tincture diprotic acid electrolyte Uncategorized William Quiming

325 A quantum number that tells what kind of energy sub-level the electron is in and specifies the shape of the orbital in a sub-






level.1827 These are made of only one kind of atom. elements compounds ions mixture Uncategorized William

Quiming328 A reaction in which hydrogen is lost. dehydrogenation

reactionoxidation reaction reduction reaction elementary reaction Uncategorized William

Quiming2061 Which of the following is organic compound? oil ammonia muriatic acid limestone Uncategorized William

Quiming1791 The unit used for measuring the amount of a

substance.mole amu quantum zwiterion Uncategorized William

Quiming2073 Which state of matter undergoes the same

amount of expansion for a given increase in temperature?

gas liquid solid plasma Uncategorized William Quiming

1983 What symbol usually separates the reactants from the products.

arrow equal sign double-arrow line Uncategorized William Quiming

2071 Which particles have approximately the same size and mass as each other?

protons and neutrons electrons and protons protons and neutrons none- they are all different in size and mass


2080 Which type of radiation is unaffected by magnetism?

gamma beta alpha sigma Uncategorized William Quiming

2068 Which of the options is inorganic? salt sugar oil alcohol Uncategorized William Quiming

2066 Which of the following statements is true concerning acids and bases?

acids mixed with bases neutralize each other

acids and bases don't react with each other

acids mixed with bases make stronger bases

acids mixed with bases make stronger acids


2075 Which sublevel can be occupied by a maximum of 10 electrons?

d s p f Uncategorized William Quiming

2064 Which of the following metals can be found in a pure state in nature?

Gold Lithium Iron Aluminum Uncategorized William Quiming

2076 Which substance cannot be decomposed into aluminum ammonia methane methanol Uncategorized William


simpler substances? Quiming2060 Which of the following is not an organic

compound?sand oil sugar vinegar Uncategorized William

Quiming2072 Which reaction cannot proceed without an

activation energy?starting a fire the drying of paint dissolving salt in water two-part epoxy

hardeningUncategorized William

Quiming2089 Who discovered that tiny organisms, which

he called germs, cause many diseases?Louis Pasteur Svante A. Arrhenius Sir William Ramsay Paul Sabatier Uncategorized William

Quiming1733 The Stefan-Boltzmann law of radiation is

expressed in terms of which of the following?U/V U F F/V Uncategorized William

Quiming1370 the curve that separates liquid and vapor

phasesvaporization curve fusion curve vaporization curve critical point Uncategorized William

Quiming685 Einstein condensation is: The effect due to

bosons crowding into the ground orbital.

The effect due to fermions crowding into the ground orbital.

The effect due to bosons occupying all of the orbitals below a certain energy level and leaving vacant all of the orbitals above that level.

The effect due to fermions occupying all of the orbitals below a certain energy level and leaving vacant all of the orbitals about that level.


568 At room temperature He would be expected to have a Molar Specific Heat at Constant Pressure of about

5R/2 7R/2 3R/2 6R/2 Uncategorized William Quiming

2065 Which of the following nuclear weapons is the most powerful?

hydrogen bomb atomic bomb uranium bomb plutonium bomb Uncategorized William Quiming

1783 The two radioactive elements used in rock and fossil dating.

uranium and carbon uranium and radium radium and carbon uranium and polonium Uncategorized William Quiming

2078 Which temperature scale is an absolute scale, where the zero point is the lowest possible temperature?

Kelvin Celsius Fahrenheit Rankine Uncategorized William Quiming

1825 These are elements that possess both the metalloids semi-metals Chalcogens Halogens Uncategorized William


characteristics of metals and non-metals. Quiming1824 These are devices used to measure the

amount of heat absorbed or released during chemical or physical processes,.

calorimeters hydrometers thermometers pH meters Uncategorized William Quiming

1808 The width of a sample substance is of what physical property of matter?


1807 The weight of a substance or mixture is of what physical property of matter?


1771 The texture of a substance or mixture is what physical property of matter?

intrinsic property extrinsic property chemical property radioative property Uncategorized William Quiming

1799 The volume of a substance or mixture is of what physical property of matter?


2074 Which statement describes a chemical property?

It reacts with hydrogen to form a gas.

Its crystals are a metallic gray.

It dissolves in alcohol. It forms a violet-colored gas.


1785 The type of alcohol in beverages such as wine, beer, and vodka is:

Ethyl Alcohol (Ethanol) Isopropyl Alcohol (Isopropanol)

Methyl Alcohol (Methanol)

Propyl Alcohol (Propanol)


1846 This is an alloy of mercury. amalgam bronze brass albumin Uncategorized William Quiming

1782 The two main parts of an atom are its ________.

nucleus and electron energy levels

nucleons and protons oxidation number and valence

protons and neutrons Uncategorized William Quiming

1780 The total number of protons and neutrons in the nucleus is ______

mass number atomic mass unit atomic number isotopes Uncategorized William Quiming

1776 The third quantum number is also called as ___________.





1988 What theory states that it is impossible to specify simultaneously the position and momentum of a particle, such as an electron, with precision?

Uncertainty Principle Aufbau’s Principle Pauli’s Exclusion Principle

Dalton’s Atomic Theory


1806 The weakest attractions between molecules van der Waals forces dispersion forces dipole interactions hydrogen bonds Uncategorized William


are collectively called _________. Quiming2069 Which of these metals is a liquid at room

temperature?Mercury Beryllium Lithium Osmium Uncategorized William

Quiming2077 Which symbols represent atoms that are

isotopes?O-16 and O-18 C-14 and N-14 I-131 and I-131 Rn-222 and Ra-222 Uncategorized William

Quiming1774 The theory that states that all elements are

composed of submicroscopic indivisible particles called atoms.

Dalton's atomic theory Pauli's principle Newton's theory Democritus theory Uncategorized William Quiming

393 A stable, non-radioactive isotope of hydrogen with atomic weight 2.01363 and symbol D, or 2H

deuterium positron plasma wolfram Uncategorized William Quiming

430 A tomato gets its red color from: Lycopene Beta Carotene Fructose Limonene Uncategorized William Quiming

504 An electrical neutral group of atoms that act as a unit.

molecule atom compound ion Uncategorized William Quiming

374 A small package or unit of electromagnetic energy

quantum photon positron proton Uncategorized William Quiming

488 An alloy of copper and tin is called _______. bronze brass steel amalgam Uncategorized William Quiming

408 A substance that interferes with catalysis. inhibitor catalyst indicator reactant Uncategorized William Quiming

407 A substance that can act as both an acid and a base is termed as _______.

amphoteric donor acceptor conjugate Uncategorized William Quiming

2093 Who discovered the properties of the element hydrogen and determined its specific gravity?

Henry Cavendish Walther H. Nernst Joseph Black Derek H. R. Barton Uncategorized William Quiming

405 A strong-corrosion -resistant alloy of nickel and copper.

Monel metal brass steel iron Uncategorized William Quiming

598 Bromine is the only non-metallic element reddish brown oily black metallic silver pink Uncategorized William


that is a liquid at room temperature. The color of bromine is:

Quiming

388 A space where no particles of matter exist. vacuum vapor zwitterion universe Uncategorized William Quiming

387 A solution which contains more solute than it can theoretically hold at a given temperature.

supersaturated solution saturated solution unsaturated solution partial saturation Uncategorized William Quiming

386 A solution that contains less solute that a saturated solution.

unsaturated miscible immiscible supersaturated Uncategorized William Quiming

375 A small radiation detector worn by persons who work near radiation sources.

film badge half-cell mass spectrometer salt bridge Uncategorized William Quiming

385 A solution is prepared by mixing 50 mL of NaCl in 300 mL of distilled water. What is the percentage by volume concentration of the solution?

14.28 % 16.67 % 83.33 % 85.72 % Uncategorized William Quiming

384 A solution in which the crystallizing rate of the solute equals the dissolving rate of the solute must be

saturated unsaturated concentrated dilute Uncategorized William Quiming

419 A term used for the reaction when a single compound is broken down into two or more products.

decomposition reaction combination reaction convergent reaction replacement reaction Uncategorized William Quiming

406 A substance in which the atoms, ions or molecules are arranged in an orderly repeating three-dimensional pattern called crystal lattice.

crystal unit cell lattice constant FCC Uncategorized William Quiming

494 An arrangement of elements into rows and columns according to similarities in their properties.

periodic table electron configuration electron distribution disintegration series Uncategorized William Quiming

901 Hot peppers get their heat from: Capsaicin Acetic acid Lycopene Sulfuric Acid Uncategorized William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist592 Bleach is often called 'chlorine bleach' though

its main component isn't elemental chlorine. Household bleach contains _______.

sodium hypochlorite hydrochloric acid potassium chloride sodium chloride Uncategorized William Quiming

909 How many atoms are there in 4 moles of Cl? 2.408 x 10^24 atoms 3.408 x 10^24 atoms 2.520 x 10^23 atoms 2.120 x 10^23 atoms Uncategorized William Quiming

910 How many carbon atoms are there in one molecule of methane {chemical formula CH(sub4)}?

1 4 5 1.5 Uncategorized William Quiming

911 How many columns are there in a periodic table of elements?


917 How many electrons are gained/lost by magnesium and what is the charge on the ion that it forms?

loses 2 electrons to form a magnesium ion with a 2+ charge

gains 2 electrons to form a magnesium ion with a 2+ charge

gains 2 electrons to form a magnesium ion with a 2- charge

loses 2 electrons to form a magnesium ion with a 2- charge


918 How many electrons are there in an atom of Sodium(Na) with atomic number of 11.


371 A single proton has what electrical charge? positive charge no charge negative charge either a positive or negative charge


409 A substance that speeds up a reaction without being used up.

catalyst reactant products reagent Uncategorized William Quiming

435 A type of Balanced Chemical equation where "spectator ions" are omitted; only the essential process is shown like solid precipitate.

net ionic equation ionic equation molecular equation compound equation Uncategorized William Quiming

436 A type of balanced chemical equation where all strong electrolytes are shown in their dissociated, ionic forms.

ionic equation net ionic equation molecular equation compound equation Uncategorized William Quiming

487 An all-inclusive term for both gas and liquid. fluid phase vapor steam Uncategorized William Quiming

470 All molecular motion teoretically stops at absolute zero zero degree celsius 273 degrees celsius negative temperature Uncategorized William


what temperature? Quiming463 Acid rain has a pH less than ________. 5.6 14 7.5 8.7 Uncategorized William

Quiming462 Acid + Base = _____ + Water Salt Acid metal Base Uncategorized William

Quiming459 According to atomic theory, electrons are

usually found:outside the nucleus and often far from it - most of an atom's volume is its electron cloud

either in the nucleus or around it - electrons are readily found anywhere in an atom

outside the nucleus, yet very near it because they are attracted to the protons

in the atomic nucleus Uncategorized William Quiming

543 Any acid that contains one ionizable hydrogen is called ___________.

monoprotic acid diprotic acid triprotic acid single acid Uncategorized William Quiming

899 Helium has how many protons? 2 1 3 4 Uncategorized William Quiming

2053 Which of the following is inorganic compound?

ammonia vinegar alcohol sugar Uncategorized William Quiming

323 A quantum number that describes the two ways in which an electron maybe aligned in a magnetic field; parallel to or opposed to the magnetic filed.

spin quantum number magnetic quantum number




2012 When you change the number of electrons on an atom, you produce a different:

ion isotope element atomic mass Uncategorized William Quiming

2013 When you chop onions, your eyes can burn because a chemical reaction produces:

Sulfuric Acid Acetic Acid Hydrochloric Acid Nitric Acid Uncategorized William Quiming

2015 Which among the choices is not a carbon compound?

muriatic acid sugar alcohol vinegar Uncategorized William Quiming

2017 Which among the following is organic compound?

formalin water sand lye Uncategorized William Quiming

2019 Which element best characterizes an organic Carbon Hydrogen Nitrogen Oxygen Uncategorized William


compound? Quiming2058 Which of the following is not an inorganic

compound?alcohol salt water rust Uncategorized William

Quiming2003 When sand is ground to a fine powder, it

exhibits what change in matter?physical change chemical change intrinsic change extrinsic change Uncategorized William

Quiming2091 Who discovered the electron in 1898 by

experimenting with cathode rays?Joseph Thomson Robert Millikan Niels Bohr Ernest Rutherford Uncategorized William

Quiming2022 Which element is most likely to form a

covalent compound?carbon cesium magnesium sodium Uncategorized William

Quiming2084 Who became a Nobel laureate for his

pioneering work in nuclear physics and for his theory of the structure of the atom?

Ernest Rutherford Alfred Werner Adolf von Baeyer Svante A. Arrhenius Uncategorized William Quiming

2085 Who determined the charge and mass of individual electrons by measuring the rate that oil drops laden with electrons fell between two electrically charged plates?

Robert Millikan Joseph Thomson Niels Bohr Ernest Rutherford Uncategorized William Quiming

2086 Who developed a theoretical model of the hydrogen atom?

Niels Bohr Robert Millikan Joseph Thomson Ernest Rutherford Uncategorized William Quiming

2087 Who developed the atomic theory upon which modern physical science is founded?

John Dalton Joseph Black Ernest Rutherford Alfred Werner Uncategorized William Quiming

2088 Who discovered carbon dioxide, a gas which he called fixed air, and showed its function in the causticization of lime (making lime more alkaline), thus helping to disprove the phlogiston theory of combustion?

Joseph Black Walther H. Nernst Wilhelm Ostwald Frederick Abel Uncategorized William Quiming

2079 Which type of change occurs when the size, shape, appearance, or volume of a substance is changed without changing its composition?

Physical Chemical Nuclear radioactive Uncategorized William Quiming

2090 Who discovered the anesthetic effects of Humphry Davy Niels Bohr Wilhelm Ostwald Louis Pasteur Uncategorized William


nitrous oxide (laughing gas)? Quiming2002 When pieces of magnesium (Mg) metal burn

in a photoflash bulb, it exhibits what change in matter?

chemical change physical change intrinsic change extrinsic change Uncategorized William Quiming

2038 Which of the following elements belong to the chalcogen family?

oxygen flourine argon astatine Uncategorized William Quiming

278 A particle of radiation which consist of either electrons or positrons.

beta particles alpha particles gamma rays radioactive decay Uncategorized William Quiming

2039 Which of the following elements belong to the halogen family?

flourine sulfur hydrogen oxygen Uncategorized William Quiming

2020 Which element derives its symbol from the Latin word, aurum, which means 'shining dawn'?

Gold Silver Aluminum Americium Uncategorized William Quiming

2041 Which of the following elements is categorized at liquid state?

Cesium Radium Cobalt Nickel Uncategorized William Quiming

2042 Which of the following elements is categorized at solid state?

Be N Fr Br Uncategorized William Quiming

2045 Which of the following is a binary compound? hydrogen sulfide hydrogen sulfate ammonium sulfide ammonium sulfate Uncategorized William Quiming

2046 Which of the following is a transuranium element?

Neptunium Thallium Molybdenum Francium Uncategorized William Quiming

2021 Which element is an example of a noble gas? Krypton Chlorine Iridium Nitrogen Uncategorized William Quiming

1987 What theory states that atoms, ions, and molecules with sufficient kinetic energy can form chemical bonds when they collide.

collision theory kinetic theory atomic theory diffusion theory Uncategorized William Quiming

471 All of the following are alkali metals, except which element?

Radium Cesium Rubidium Sodium Uncategorized William Quiming

2004 When sugar(lactose) in the milk is converted chemical change physical change intrinsic change extrinsic change Uncategorized William


to lactic acid, it exhibits what property of matter?

Quiming

1738 The substance in a redox reaction that donates electrons is called ________.

reducing agent oxidizing agent excess reagent combining agent Uncategorized William Quiming

1989 What type of bonds are formed in N(sub2)O(sub4) and what is the name of this compound?

covalent, dinitrogen tetroxide

ionic, nitrogen oxide ionic, dinitrogen oxide covalent, nitrogen tetroxide


1994 When a nuclear change takes place, which is true:

Energy is released. Energy is destroyed. Energy is unchanged. Energy is created Uncategorized William Quiming

1996 When an equation is used to calculate the amount of product that will form during reaction, a value for the ____ is obtained.

theoretical yield actual yield percent yield reaction yield Uncategorized William Quiming

1998 When elctrons occupy orbitals of equals energy, one electron enters each orbital until all the orbitals contain one electron with spins parallel. What principle is this?

Hund's rule Pauli's exclusion priciple

Aufbau priciple Dalton's theory Uncategorized William Quiming

1999 When electrons in an atom in an excited state fall to lower energy levels, energy is

released, only absorbed, only neither released nor absorbed

both released and absorbed


2051 Which of the following is anion? acetate ammonium copper barium Uncategorized William Quiming

1965 What is the spherical excess of spherical polygon of four sides whose angles are 95 degrees, 112 degrees, 134 degrees and 78 degrees?

59 degrees 67 degrees 60 degrees 54 degrees Uncategorized William Quiming

1162 It is used for compounds that are made up of ions and have primarily ionic bonding.

formula weight molecular weight specific weight molar weight Uncategorized William Quiming

1155 It is the tendency of of the atoms of the element to attract electrons when they are chemically combined with another element.

electronegativity radioactivity periodicity electron affinity Uncategorized William Quiming


2040 Which of the following elements is categorized at gaseous state?

Cl Ga Br Pm Uncategorized William Quiming

2024 Which gas is monoatomic at STP? neon flourine chlorine nitrogen Uncategorized William Quiming

2027 Which is always a characteristic of a chemical change, but not always a characteristic of a physical change?

making a new substance

change of shape change of volume change of phase Uncategorized William Quiming

2029 Which is the correct set of acid properties, as described by Boyle:

sour taste, corrosive, change litmus from blue to red

sour taste, corrosive, change litmus from red to blue

sweet taste, slippery, change litmus from blue to red

sour taste, slippery, change litmus from blue to red


157 A farmer has 108 animals consisting of pigs, cows and chickens. His pigs are four times as many as the cows lacking 8 and his chickens are five times as many as the cows lacking 4. How many pigs are there?


2036 Which of the following element was not named after its discoverer?

Dubnium Rutherfordium Seaborgium Bohrium Uncategorized William Quiming

1159 It is the weighted average mass of the atoms in a naturally occurring sample of the element.

atomic mass mass number atomic mass unit atomic number Uncategorized William Quiming

1798 The volume of a sphere is 36 pi cm^3. Determine the surface area of the sphere.

36 pi 28 pi 24 pi 30 pi Uncategorized William Quiming

448 A wedge is cut from a cylinder of radius 5 cm by two planes, one perpendicular to the axis of the cylinder and he other passing through the diameter of the section made by the first plane and inclinded to this plane at an angle of 45 degrees. Find the volume of the wedge.

96.78 78.24 69.32 83.33 Uncategorized William Quiming

1869 Two equilateral triangles, each with 12 cm 41.57 44.22 50.32 40.45 Uncategorized William


sides overlap each other to form a 6-point star. Determine the overlapping area.

Quiming

1099 It is a polyhedron of which one face is a polygon and the other faces are triangles which have a commen vertex.

Pyramid Prism Frustum of a cone Prismatoid Uncategorized William Quiming

815 Find the slope of the curve y = x^3 - x + 5 at (2,1).

11 -11 12 -12 Uncategorized William Quiming

1895 Water is poured into a swimming pool. After t hours, there are t - t^(1/2) gallons in the pool. At what rate is the water pouring into the pool when t = 9 hours?


883 Given the function y = x^3 - 3x^2 + 4x + 5. Determine the coordinates of the point of inflection.

(1,7) (-1,-3) (2,9) (0,5) Uncategorized William Quiming

2031 Which of the choices is inorganic compound? water sugar vinegar perfume Uncategorized William Quiming

1860 Three spheres of radii 10, 20, and 30 cm respectively, are melted and formed into a single sphere. Find the volume of the single sphere.

48,000 pi 45,000 pi 50,000 pi 42,000 pi Uncategorized William Quiming

284 A pH greater than 7.0 is said to be __________.

basic acidic neutral concentrated Uncategorized William Quiming

1263 One of the diagonals of the rhombus is 25 cm and its area is 75 cm^2. Determine the length of each sides.


139 A container in the form of a cube with edge of 0.6 m is divided by a vertical partition which pasees through two diagonally opposite edges. Find the total surface area of

1.59 m^2 1.23 m^2 1.63 m^2 1.42 m^2 Uncategorized William Quiming


each.822 Find the total surface area of a regular

triangular pyramid if each edge of the base measures 6 inches and each lateral edge of the pyramid measures 5 inches.

51.59 in^2 50.23 in^2 54.42 in^2 50.21 in^2 Uncategorized William Quiming

1003 If the sides of a parallelogram and an included angle are 6, 10 and 100 degrees respectively, find the length of the shorter diagonal.


1973 What is the volume of a right circular cylinder inscribed in a cube of edge 10 cm?


335 A rectangular has a length which is 4 ft less than three times the width. The perimeter is 224 ft. Determine the width of the rectangle.

29 ft 32 ft 35 ft 28 ft Uncategorized William Quiming

1161 It is used for compounds that are composed of molecules and have primarily ionic bonding.

molecular weight formula weight specific weight molar weight Uncategorized William Quiming

136 A cone and a cylinder have the same height and the same volume. Find the ratio of the radius of the cone to the radius of the cylinder.


1160 It is use to measure hydrogen-ion concentrations.

pH meter strip-chart recorder pH indicators conjugate acid indicator


1149 It is the ratio of the mass of an object to its volume

density specific weight specific volume none of the above Uncategorized William Quiming

1153 It is the study of the heat changes that occur during chemical reactions and physical changes of state.

thermochemistry stoichiometry biochemistry applied chemistry Uncategorized William Quiming

1168 It refers to the main energy level. Ex: n=1,2,3 principal quantum azimuthal quantum magnetic quantum spin quantum number Uncategorized William


number number number Quiming1156 It is the time required for one-half of the

atoms of a radioisotope to emit radiation and to decay the products.

half-life radioactive decay time index band stability Uncategorized William Quiming

1499 The element used to fill balloons. helium hydrogen neon argon Uncategorized William Quiming

1158 It is the weight relative to that of the isotope of carbon whose atomic weight is 12 atomic mass unit.

atomic weight atomic number atomic sum atomic scale Uncategorized William Quiming

1963 What is the slope of the line tangent to the curve y = x^3 - 2x + 1 at x = 1?

1 1/2 1/3 1/4 Uncategorized William Quiming

758 Find the area of the decagon whose apothem os 10 cm.


1398 The area bounded by the curve y = x^2, the x-axis and the line x=1 is rotated about the x-axis. Determine the volume generated.


714 Evaluate the limit [(x^ 2 - 1) / (x^2 + 3x - 4)] as x approaches 1.

2/5 0 Infinity 5/2 Uncategorized William Quiming

797 Find the length of the curve y = ln cos x between x = 0 and x = pi/4.


750 Find the area bounded by y = ln x, y = 0 and x = e.

1 0.5 2 4 Uncategorized William Quiming

747 Find the area bounded by the parabolas x^2 - 2y = 0 and x^2 + 2y - 8 = 0.


751 Find the area enclosed by the curve 5y^2 = 16x and y^2 = 8x - 24.


804 Find the moment of inertia of the area bounded by the curve y^2 = 4x, the line y = 2, the y-axis on the first quadrant with respect



to y-axis.1401 The area in the first quadrant bounded by

x^2 = 8y, the line x = 4 and the x-axis . What is the volume generated by revolving about the y-axis?


738 Find the area bounded by the curve 4 y = x^2 and x + 4 = 2y.


352 A right circular cylindrical tank of radius 2 m and a height of 8 m is full of water. Find the work done in pumping the water to the top of the tank. Assume water weighs 9810 N/cu. m.

3945 kN-m 3732 kN-m 3932 kN-m 4032 kN-m Uncategorized William Quiming

1916 What is the approximate area bounded by the curves y = 8 - x^2 and y = -2 - x^2?


833 Find the volume formed by revolving the triangle whose vertices are (1,1), (2,4), and (3,1) about the line 2x - 5y = 1-.


802 Find the moment of inertia bounded by the curve x^2 = 4y, the line y = 1 and the y-axis on the first quadrant with respect to x-axis.

4/7 2/7 3/7 5/7 Uncategorized William Quiming

840 Find the volume of the solid generated by revolving the curve x^2 + y^2 - 4x -6y - 12 = 0 about the line 3x + 4y - 48 = 0.


1968 What is the surface area generated by the arc in the first quadrant of the curve x^2 + y^2 = 100 when the axis of rotation is the x-axis?


803 Find the moment of inertia of the area bounded by the curve x^2 = 8y, the line x=4 and the x-axis on the first quadrant with



respec to y-axis.337 A rectangular plate is 4 feet long and 2 feet

wide. It is submerged vertically in water with the upper 4 feet edge parallel to and 3 feet below the surface. Find the magnitude of the resultant force against one side of the plate.

1997 lb 2019 lb 1897 lb 1345 lb Uncategorized William Quiming

1784 The two straight lines 4x - y + 3 =0 and 8x - 2y + 6 =0.

Are parallel Are perpendicular Intersects at the origin Are coincident Uncategorized William Quiming

835 Find the volume generated if the area between y = cosh x and x-axis from x=0 to x=1 is revolved about the x-axis.

4.42 cu. units 3.43 cu. units 2.83 cu. units 3.83 cu. units Uncategorized William Quiming

655 Determine the area under the curve y = x^3 + 3x^2 and the x-axis between x=1 and x=3.


120 A collection of 36 coins consists of nickels, dimes and quarters. There are three fewer quarters than nickels and six more dimes than quarters. How many dimes are there?


838 Find the volume of the largest cylinder that can be inscribed in a cone of radius 3 cm and altitude of 9 cm.


726 Find dy/dx if y = x ln x - x. Ln x X ln x Ln x / x X / ln x Uncategorized William Quiming

65 A bed is in the form of a circular sector of radius r and central angle teta. Find its radius if the area of the sector is 100 cm^2 and its perimeter is a minimum.

10 cm 10.5 cm 12.5 cm 15 cm Uncategorized William Quiming

1193 Locate the point of inflection of the curve y = f (x) = x^2 e^x

-2 +/- [2^(1/2)] 2^(1/2) 2 +/- [2^(1/2)] 3 +/- [2^(1/2)] Uncategorized William Quiming

952 If "a" is a simple constant, what is the Ax to the a - 1 power X to the a - 1 power Ax - x Ax Uncategorized William


derivative of y = x^a? Quiming744 Find the area bounded by the parabola x^2 +

y - 5 = 6x and x-axis.32/3 16/3 31/2 21/8 Uncategorized William

Quiming748 Find the area bounded by the parabolas x^2 -

4x + y = 0 and the lines y = x and y = 3.16/9 18/3 15/4 20/6 Uncategorized William

Quiming661 Determine the length of the arc of the curve

y = e^x from x=0 to x=1.2.0 2.2 1.8 1.68 Uncategorized William

Quiming1746 The sum of two positive numbers is 21. If the

product of one of the numbers by the square of the other is to be a maximum, what are the numbers?

14 & 7 13 & 8 12 & 9 10 & 11 Uncategorized William Quiming

754 Find the area enclosed by the y-axis, the lines y = 1 and y = 4 and the part of the curcve y = (1/x^2) for which x is positive.

2 sq. units 1 sq. unit 3 sq. units 4 sq. units Uncategorized William Quiming

1922 What is the area within the curve r^2 = 16 cos (teta)?


759 Find the area of the region enclosed by the given set of curves y = x^2 and y = x + 2.


653 Determine the area bounded by the curve y^2 - 3x + 3 = 0 and the line x = 4.


175 A given area is bounded by the curve y = x^2 and the line 2x + y = 8. Determine the x-component of the centroid of the area.

-1 -1/2 -2 -4/5 Uncategorized William Quiming

752 Find the area enclosed by the curve r^2 = 4 cos (2teta).

4 1/2 2 3/2 Uncategorized William Quiming

657 Determine the distance of the centroid of the plane area bounded by y = 4 - x^2, the line x = 1 and the coordinate axis in the first quadrant.


MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist737 Find the area between he curve y = cosh x

and the x-axis from x =0 to x=1.1.175 sq. units 1.333 sq. units 1.667 sq. units 1.125 sq. units Uncategorized William

Quiming1486 The distribution or arrangement of electrons

in the energy levels of a particular atom of an element is the _____.

electron configuration electron distribution quantum number electron density Uncategorized William Quiming

1091 It is a comparison of the density of a substance to the density of a reference substance, usually at the same temperature, like water density.

Specific gravity Specific volume Specific density Specific weight Uncategorized William Quiming

2102 Y is the chemical symbol for which element? Yttrium Ytterbium Tungsten Tantalum Uncategorized William Quiming

1071 Iron combined with 0.2% to 2% of carbon is called ____.

steel brass platinum quartz Uncategorized William Quiming

1078 Isotopes that have unstable nuclei and undergo radioactive decay.

radioisotopes polypeptide sigma bond surfactant Uncategorized William Quiming

1080 It contains the maximum amount of solute for a given amount of solvent at constant temperature.

saturated solution unsaturated solution supersaturated solution

semi-saturated solution


1083 It forms when compounds containing carbon burn in an oxygen-poor air.

carbon monoxide carbonic acid carbon tetrabromide carbon dioxide Uncategorized William Quiming

1618 The number 142 is divided into two parts such as when the greater part is divided by the lesser part, the quotient is 3 and the remainder is 14. What is the greater part?


1050 In the periodic table of elements, hydrogen belongs to the _________.

Alkali metals Alkaline earth metals Transition metal Transuranium metals Uncategorized William Quiming

1049 In the periodic table of elements, Beryllium belongs to what group?

IIA IA IIIA VA Uncategorized William Quiming

1133 It is the crystalline form of carbon and known diamond pearl gold silver Uncategorized William


as the most hardest material Quiming1169 It refers to the subdivisions of the main

energy levels.sub-levels energy level orbital electron spin Uncategorized William

Quiming1170 It shows valence electrons as dots. Electron dot structure Octet rule coordination number formula unit Uncategorized William

Quiming1171 It states that as soon as an energy level is

filled with electrons, any additional electron is thrown to the next outer or higher energy level.

Aufbau Principle Pauli's principle Exclusion Principle Henry's Law Uncategorized William Quiming

1172 It states that because electron pairs repel, molecules adjust shapes so that the valence electron pairs are as far apart as possible.

VSEPR theory Law of Disorder Law of Definite Proportion

Daton's Atomic Theory Uncategorized William Quiming

1173 It states that elements may give or take in electrons and become stable by having 8 electrons in the last energy level.

Octet Rule Hund's Rule Stability Principle closed configuration Uncategorized William Quiming

1167 It refers to the irregular movement of dispersed particles caused by the impact of fast moving molecules of the liquid ; this movement keeps colloids indefinitely dispersed in the medium.

Brownian motion osmosis Tyndall effect Adsorption Uncategorized William Quiming

1137 It is the measure of the amount of solute that is dissolved in a given quantity of solvent

concentration dilution saturation solution Uncategorized William Quiming

1118 It is believe to be the most important metallic element in the industry.

iron copper nickel gold Uncategorized William Quiming

1134 It is the degree of hotness or coldness of an object

temperature thermoscale freezing absolute heat transfer Uncategorized William Quiming

1120 It is composed of atoms of three elements. ternary compound binary compound multiple compound ionic compound Uncategorized William Quiming

1088 It is a colorless indicator of basicity and phenolphthalein Bromphenol blue methyl orange litmus paper Uncategorized William


acidity. Quiming1122 It is considered as the fourth state of matter plasma positron deuterium alpha particle Uncategorized William

Quiming1126 It is particle with the mass of an electron but

a positive charge and maybe emittted as a proton converted to neutron.

positron plasma neuron nucleutron Uncategorized William Quiming

1127 It is the accurate and precise measurement of the heat change for chemical and physical processes.

calorimetry enthalpy entropy stoichiometry Uncategorized William Quiming

1128 It is the amount of heat it takes to raise the temperature of 1 gram of the substance to 1 degree Celsius.

specific heat British Thermal unit calorie heat capacity Uncategorized William Quiming

1177 It states that under identical conditions of temperature and pressure, equal volumes of gases contain an equal number of molecules.

Avogadro’s Law Graham’s Law Combined Gas Law Pauli’s Exclusion Principle


1500 The element with the highest melting point is __________.

Tungsten Xenon Copper Platinum Uncategorized William Quiming

1092 It is a compound that contains amino and carboxylic acid groups in the same molecule.

amino acid lipid carbohydrates saccharides Uncategorized William Quiming

1069 Iodine belongs to what family of elements? Halogen family Chalcogen Family Noble Gases Nitrogen Family Uncategorized William Quiming

951 Humans excrete most nitrogen-based wastes in urine using which molecule?

Urea Uric Acid Creatinine Ammonia Uncategorized William Quiming

967 If an atom loses one or more electrons, it becomes what

cation anion non-ionic neutral Uncategorized William Quiming

1013 If you are making soaps and detergents from scratch, one of your starting ingredients will be:

Sodium hydroxide. Sodium chloride. Calcium carbonate. Potassium hydroxide. Uncategorized William Quiming

1032 In its simplest form, bronze is an alloy of Copper and Tin Copper and Zinc Copper, Zinc, and Copper, Tin, and Lead Uncategorized William


which metals? Nickel Quiming1040 In the chemical formula 3H(sub2)O, how

many atoms are there of each element?6 hydrogen and 3 oxygen

2 hydrogen and 1 oxygen




1493 The electron-dot structure of carbon has how many dots?


1130 It is the calculation of quantities in chemical equations or the quantitative relationship of chemical combinations.

stoichiometry electron affinity chromatography radioactivity Uncategorized William Quiming

993 If the inclination angle of the line is an obtuse angle, then the tangent of the angle is _____.

Negative Zero Infinity Positive Uncategorized William Quiming

1176 It states that things move in the direction of maximum disorder or randomness.

Law of Disorder Brownian Motion Law of Definite Proportion

Law of Direction Uncategorized William Quiming

206 A line passes through A(2,3) and B(5,7). Find the coordinates of the point P on AB extended thorugh B to P so that P is twice as far from A as from B.

(8,11) (8,10) (9,10) (9,9) Uncategorized William Quiming

1948 What is the locus of a point which is equidistant fro (0,0) and (4,-2)?

2x - y -5 = 0 X + 2y + 2 = 0 2x + y - 3 = 0 X - y - 5 = 0 Uncategorized William Quiming

1482 The distance from a point (2,y) to the line 4x + 3y - 7 = 0is equal to 5. Find the value of y.


1569 The line segment connecting (x,6) and (9,y) is bisected by the point (7,3). Find the value of x and y.

3,6 3,4 5,0 4,0 Uncategorized William Quiming

2063 Which of the following lines is perpendicular to the line x/3 + y/4 = 1?

3x - 4y - 5 = 0 4x + 3y -12 = 0 X + y =12 4x + 3y = 1 Uncategorized William Quiming

1645 The points P1(-4,3) and P2(2,7) determine a line segment. Find the coordinates of the intersection point nearer to P2.

(0,17/3) (1,15/4) (0,15/4) (1,17/3) Uncategorized William Quiming

1285 Peter and John working together can finish a 4.8 days 1.5 days 4.2 days 5.0 days Uncategorized William


certain job in 3 days. If Peter can do the same job working alone in 8 days, how long will it take John to do the job alone?

Quiming

767 Find the coordinates of the intersection point of the lines 4x - 5y = 26 and 3x + 7y = -2

(4,-2) (3,2) (-2,4) (3,-3) Uncategorized William Quiming

107 A chemist needs a solution of tannic acid that is 70% pure. How much distilled water must she add to 5 gallons of acid which is 90% pure to obtain the 70% solution?

1 3/7 1 3/4 2 2/3 1 3/2 Uncategorized William Quiming

665 Determine the point of division of the line segment from A(5,6) to B(-3,-2) that divides this line segment, starting from A into two parts in the ratio 1:3.

(3,4) (1,3) (0,2) (-1,1) Uncategorized William Quiming

1571 The linear distance between -4 and 17 on the number line is _____.

21 -13 13 -17 Uncategorized William Quiming

762 Find the area of the triangle bounded by the lines x - 2y - 2 = 0, 7x - 4y - 34 = 0 and 3x - y - 11 = 0.


764 Find the area of the triangle with vertices at (1,1,0), (1,0,1) and (0,1,1).


958 If 5x - 3, x + 2, and 3x - 11 form an arithmetic progression, find x.


579 At what time between 4 and 5 o'clock will the hands of the clock be at right angle for the first time?

4:5.45 4:5.23 4:6.42 4:7.62 Uncategorized William Quiming

668 Determine the sum of the infinte series S = 1/3 + 1/9 + 1/27 + ....

1/2 2/3 3/4 4/5 Uncategorized William Quiming

664 Determine the perimeter of the triangle whose vertices are A(1,7), B(4,4), and C(-3,0).



20.371140 It is the number of moles of solute dissolved

in one kilogram of solvent.molality molarity mole fraction dilution Uncategorized William

Quiming902 How far is the intersection of lines 4x - 5y =

26 and 3x + 7y + 2 = 0 from the origin?4.47 2.45 4.21 3.84 Uncategorized William

Quiming1494 The electrons in a nonpolar covalent bond

are:shared equally gained lost shared unequally Uncategorized William

Quiming1495 The electrons in the highest occupied energy

level of an elemen t's atom.valence electron free electron bond electron outermost electron Uncategorized William

Quiming1496 The element symbol for lead is __________. Pb Po Ld Le Uncategorized William

Quiming1497 The element symbol for potasium is what? K Sm Po P Uncategorized William

Quiming1748 The sweat-blocking ingredient in

antiperspirant is often:An aluminum compound.

A magnesium compound.

A calcium compound. A tin or stannous compound.


1174 It states that in samples of any chemical compound, the masses of the elements are always in the same proporitons.

Law of Definite Proportion

Law of Multiple Proportion

Law of Compounds Law of Atomic Equality Uncategorized William Quiming

884 Given the triangle with the foloowing vertices A(6,2), B(-4,4), C(2,-4). Determine the length of the median through the vertex C.


1139 It is the number of moles of a substance divided by sum of the number of moles of the solute and the solvent.

mole fraction molarity mole ratio molecular fraction Uncategorized William Quiming

1165 It limits or determines the amount of product that can be formed in a reaction.

limiting reagent excess reagent coefficient reagent combined reagent Uncategorized William Quiming

1144 It is the pressure exerted by a vapor that is in dynamic equilibrium with its liquid in a closed system.

vapor pressure atmospheric pressure colligative property absolute pressure Uncategorized William Quiming


1148 It is the ratio of the actual yield to the theoretical yield.

percent yield average yield yield ratio yield point Uncategorized William Quiming

1326 Simon is twice as old as Cassandra. If 16 is added to Cassandra's age and 16 is subtracted from SImon's age, their ages will then be equal. How old is Cassandra?


174 A Girl Scout troop has 20 pounds of candy worth 80 cents per pound. It wishes to mix it with candy worth 50 cents per pound so that the total mixture can be sold at 60 cents at 60 cents per pound without any gain or loss. How much of the 50 cents candy must be used?


194 A hospital needs to dilute a 50% boric acid solution to a 10% solution using water. If it needs 25 liters of the 10% solution, how much of the 50% solution should it use?


469 Alfred is 22 years older than Jack. When Jack is as Alfred is now, he will be three times his present age. How old is Alfred now?


158 A father and his son can do a certain job in 3 hours. On a given day, they work together for 1 hour then the son left and the father finishes the rest of the work in 8 more hours. How long will it take for the father to finish the job alone?


1157 It is the total number of protons and neutrons in an isotope.

atomic mass number atomic number atomic sum atomic weigth Uncategorized William Quiming

1906 What device is being used by scientists to measure atomic mass?

mass spectrometer spectrum analyzer triple-beam balance film badge Uncategorized William Quiming


1887 Vinegar, fruit juice, and cola are examples of: weak acids strong acids strong bases weak bases Uncategorized William Quiming

1889 W is the chemical symbol for which element? Tungsten Tin Silver Mercury Uncategorized William Quiming

1914 What important element found common for both earth and the stars as discovered by Janssen and Lockyer?

helium hydrogen potasium sulfur Uncategorized William Quiming

1901 What atomic model described that an atom has no definite shape and that electrons do not have precise orbits?

Quantum mechanical model

Bohr model Rutherford model Thomson model Uncategorized William Quiming

1863 Tightly bound groups of atoms that behave as a unit and carry a charge.

Polyatomic ions Simple ions Monoatomic ions Binary compounds Uncategorized William Quiming

1903 What change in matter is exhibited by the conversion of water into steam?

physical change chemical change intrinsic change extrinsic change Uncategorized William Quiming

208 A line with an inclination between 0 degree and 90 degrees has _____ slope.

Positive Negative No Zero Uncategorized William Quiming

1905 What compound will be produced if you add one atom of oxygen to a carbon monoxide?

carbon dioxide carbonic acid carbon trioxide hydrocarbon Uncategorized William Quiming

1870 Two household chemicals you should never mix include:

Bleach and ammonia Bleach and water Vinegar and baking soda

Oil and water Uncategorized William Quiming

1907 What do you call the horizontal rows of the periodic table of elements?

period group series sequence Uncategorized William Quiming

1900 What atomic model described an atom as a ball of positive charge containing a number of electrons?

Thomson model Rutherford model Bohr model Quantum mechanical model


103 A chemical reaction which is formed when a compund decomposes to form two or more new substances.

decompositon reaction synthesis reaction replacement reaction metathesis reaction Uncategorized William Quiming

94 A chemical bond by which electron cloud is polar covalent bond double-triple bond monoatomic bond ionic bond Uncategorized William


shifted more toward one of the atoms Quiming95 A chemical bond by which the electron cloud

is equally distributed to the atoms.non-polar covalent bond

double-triple bond monoatomic bond ionic bond Uncategorized William Quiming

96 A chemical bonding which always gain or loss enough electrons to attain a noble gas electron configuration.

monatomic bond covalent bond double-triple bond polar covalent bond Uncategorized William Quiming

97 A chemical equation by which each side of the equation has the same number of atoms of each element.

balanced equation skeleton equation molecular equation catalyst equation Uncategorized William Quiming

1904 What change in matter is exhibited when ice melts?

physical change chemical change intrinsic change extrinsic change Uncategorized William Quiming

1979 What symbol of physical state is associated with gas?

(g) (s) (L) (aq) Uncategorized William Quiming

1924 What is the atomic number of iron? 26 28 4 14 Uncategorized William Quiming

1925 What is the atomic number of nitrogen? 7 8 9 6 Uncategorized William Quiming

1926 What is the charge on the ions formed by the alkaline earth metals?

+2 -2 +1 -1 Uncategorized William Quiming

1927 What is the chemical symbol for tungsten? T W Tn U Uncategorized William Quiming

1910 What family of elements belongs to Group 0? Inert Gases halogens chalcogens lanthanide series Uncategorized William Quiming

1953 What is the melting point of water? 0 degree Celsius 273 degrees Celsius 32 degrees Fahrenheit absolute zero Uncategorized William Quiming

1909 What element is fourteen times lighter than air?

hydrogen helium nitrogen oxygen Uncategorized William Quiming

1879 Under the same conditions of temperature and pressure, a liquid differs from a gas

have stronger forces of attraction between

are in constant straight-line motion

take the shape of the container they occupy

have no regular arrangement



because the particles of the liquid them1978 What symbol of physical state is associated

with gas(g) (L) (s) delta Uncategorized William

Quiming1873 Two or more different molecular forms of the

same element in the same physical state.allotropes crystal lattice constant unit cell Uncategorized William

Quiming1980 What symbol of physical state is associated

with solid substance?arrow pointing down arrow (L) (aq) Uncategorized William

Quiming1981 What symbol of physical state is associated

with substances in water solution?(aq) (g) (L) delta Uncategorized William

Quiming1982 What symbol of physical state is asssociated

with heat?delta arrow pointing down arrow pointing up (L) Uncategorized William

Quiming1933 What is the element symbol for radon? Rn Ra Rd Rm Uncategorized William

Quiming1902 What atomic model proposed that electrons

travel around the nucleus in definite orbits?Bohr model Thomson Rutherford model Quantum mechanical

modelUncategorized William

Quiming1051 In the periodic table pf elements, oxygen

belongs to what family?chalcogens halogens noble gases nitrogen family Uncategorized William

Quiming319 A proton has approximately the same mass

asa neutron an alpha particle a beta particle an electron Uncategorized William

Quiming1977 What principle stated that electron enter

orbitals of lowest energy first?Aufbau priciple Pauli's exclusion

principleHund's rule Dalton's theory Uncategorized William

Quiming265 A negatively charge subatomic particles electron proton neutron nucleotide Uncategorized William

Quiming98 A chemical equation in which mass is

conserved.balanced equation mole-mole calculation molecular equation empirical equation Uncategorized William

Quiming1461 The color of pure radium is: metallic white reddish metallic metallic silver blue gray Uncategorized William

Quiming1463 The controlled process by which cracking breaking splitting dissolving Uncategorized William


hydrocarbons are broken down or rearranged into smaller more useful molecules

Quiming

1464 The conversion of an atom of one element to an atom of another element is called _______.

transmutation convolution transformation exclusion Uncategorized William Quiming

1468 The density of a substance or mixture belongs to what physical property of matter?


3Who made basic contributions to nuclear physics and the understanding of atomic structure.

Niels Bohr Louis Pasteur Svante A. Arrhenius Sir William Ramsay Uncategorized William Quiming

132 A compound which is widely distributed over the earth's surface as marble, limestone, gypsum, and other minerals.

calcium carbonate carbon dioxide albumin sodium hydroxide Uncategorized William Quiming

1459 The chemical symbol for Ytterbium. Yb Yr Ym Yt Uncategorized William Quiming

280 A particle of radiation with electromagnetic energy.

gamma rays beta particles alpha particles radioactive decay Uncategorized William Quiming

73 A branch of chemistry that primarily concerned with the structure of matter, energy changes and the laws, principles and theories that explain the transformation of matter into another.

Physical chemistry Organic chemistry Inorganic chemistry Biochemistry Uncategorized William Quiming

266 A neutron has approximately the same mass as a

a proton an alpha particle a beta particle an electron Uncategorized William Quiming

271 A nuclear change where an unstable atom spontaneously emits alpha or beta particle and gamma rays until a stable atom is formed.

natural radioactivity artificial radioactivity nuclear fusion nuclear fission Uncategorized William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist272 A nuclear change where the atomic nuclei of

stable isotopes are bombarded with neutrons, protons, alpha particles or deuterons.

artificial radioactivity natural radioactivity nuclear fusion nuclear fission Uncategorized William Quiming

273 A nuclear change wherein a heavy nucleus such as uranium-235 is split, causing the formation of two medium-weight nuclei and releasing tremendous energy.

nuclear fission nuclear fusion natural radioactivity artificial radioactivity Uncategorized William Quiming

274 A nuclear change wherein a lightweight nuclei such as lithium and hydrogen combine, forming a heavier , more stable nucleus and releasing a tremendous energy.

nuclear fusion nuclear fission induced radioactivity radiactive decay Uncategorized William Quiming

130 A compound of sodium, hydrogen, and oxygen which is a raw material for soap-making.

sodium hydroxide sodium chloride albumin ketone Uncategorized William Quiming

1112 It is an element which is widely used in the industry as purifiers.

carbon hydrogen iron nitrogen Uncategorized William Quiming

1458 The chemical symbol for Rubidium. Rb Rd Rm Ru Uncategorized William Quiming

101 A chemical reaction where an element or a compound reacts with oxygen, often producing energy in the form of heat and light.

combustion reaction combination reaction decomposition reaction

replacement reaction Uncategorized William Quiming

1974 What Kelvin temperature is equal to 25°C? 298K 248K 100K 200K Uncategorized William Quiming

102 A chemical reaction where two compounds react to form new compounds.

metathesis reaction synthesis reaction replacement reaction decomposition reaction


66 A beryllium atom has 4 protons, 5 neutrons, and 4 electrons. What is the mass number of



this atom?104 A chemical species having one ionizable

hydrogen ion is:monoprotic diprotic triprotic polyprotic Uncategorized William

Quiming105 A chemical used to determine whether a

substance is an acid or a base is called:an indicator water salt meniscus Uncategorized William

Quiming110 A classification of a compound that is bitter,

slippery to touch and changes red litmus paper to blue.

base acid indicator phenolphtalein Uncategorized William Quiming

111 A classification of a compound that tastes sour and changes blue litmus paper to red.

acid pH indicators phenolphtalein Uncategorized William Quiming

71 A bond formed when two atomic orbitals continue to form a molecular orbital that is symmetrical along the axis connecting two atomic nuclei.

sigma bond pi bond molecular bond ionic bond Uncategorized William Quiming

129 A compound of nitrogen and hydrogen. ammonia acetone nitric acid formalin Uncategorized William Quiming

99 A chemical equation that does not indicate the relative amounts of the reactants and products.

skeleton equation balanced equation molecular equation catalyst equation Uncategorized William Quiming

1460 The color of a substance or mixture belongs to what property of matter?


1447 The changing of substances to other substances by the breaking of old bonds and the formation of new bonds.

chemical reaction decomposition reaction

combustion reaction combination reaction Uncategorized William Quiming

1448 The characteristic of a decaying wood is of what property of water?

chemical property extrinsic property intrinsic property radioactive property Uncategorized William Quiming

1449 The characteristic of ethyl alcohol to burn is of what property of matter?

chemical property intrinsic property extrinsic property radioactive property Uncategorized William Quiming

1455 The chemical reaction where an atom loses redox reaction reduction reaction oxidation reaction element reaction Uncategorized William


electron by one element and are gained by another element.

Quiming

1456 The chemical symbol for Arsenic. As An Ac Ar Uncategorized William Quiming

1457 The chemical symbol for Flourine. F Fl Fr Fn Uncategorized William Quiming

128 A compound differs from a mixture in that a compound always has a

homogeneous composition

maximum of two components

minimum of three components

heterogeneous composition


988 If the edge of the cube is increased by 30%, by what percent is the surface area increased?

45% 90% 70.7% 69% Uncategorized William Quiming

417 A tank in the shape of a paraboloid is filled with water to a height of 5 m. If the radius of the circular section at the water surface is 3 m., determine the weight (kg) of the water in the tank.


942 How many sides does a regular polygon have if each interior angle is 165 degrees.


1383 The altitude of an oblique circular cone is 8 in. and its longest element is 17 in. Find the length of the shortest element if its volume is 54 pi. cubic in.


353 A room is 12 ft wide, 15 ft long and 8 ft high. If an air conditioner changes the air once in every 5 minutes, how many cubic feet of air does it change per hour?


343 A regular hexagon is inscribed in a circle whose radius is 74.5 cm. Find the length of the side of the hexagon.

74.5 cm 52.3 cm 68.4 cm 72.8 cm Uncategorized William Quiming


1017 In a circle whose radius is 21, find the area of a minor segment whose arc has a central angle of 60 degrees.


755 Find the area of a parallelogram whose sides are 67 cm and 43 cm, the acute angle between them being 65 degrees 47 ft.


1796 The volume of a right circular cone is 36 pi. If its altitude is 3, find its radius.


941 How many sides are there if a polygon has 54 diagonals?


783 Find the equation of line 2 units below the x-axis.

Y = -2 Y = 2 X = -2 X = 2 Uncategorized William Quiming

654 Determine the area of a regular 6-point star polygon if the inner regular hexagon has 10 cm side.


1427 The base areas of a frustum of a cone are 25 cm^2 and cm^2, respectivel;y. If its altitude is 6 cm, find its volume.


138 A conical vessel has a height of 24 cm and a base diameter of 12 cm. It holds water to a depth of 18 cm above its vertex. Find the volume of its content in cm^3.


662 Determine the length of the main diagonal of a rectangular parallelpiped with dimensions 6 m by 8m by 10 m.


1403 The area of a hexagon inscribed in a circle is 374.11 cm^2. Determine the area of the circle.


995 If the lateral area of a right circular cylinder is 5 4 3.6 4.8 Uncategorized William


88 and its volume is 220, find its radius. Quiming1923 What is the atomic number of hydrogen? 1 2 3 4 Uncategorized William

Quiming559 Assuming that the earth is a sphere whose

radius is 6400 km, find the distance along a 3-degre arc at the equator of the earth's surface.

335.1 km 330.2 km 322.4 km 312.5 km Uncategorized William Quiming

656 Determine the distance from (5,10) to the line x - y = 0.


251 A mixture from which some of the particles settle out slowly upon standing .

suspension colloid solution surfactant Uncategorized William Quiming

766 Find the coordinated of the midpoint of the hypotenuse of the right triangle whose vertices are (2,2), (6,3) and (5,7).

(7/2,5/2) (4,5/2) (11/2,5) (7/2,9/2) Uncategorized William Quiming

775 Find the distance between the parallel lines 15x - 8y + 68 = 0 and 15x + 8y - 51 = 0.


1640 The point (2,3) bisects that portion of a line which is cut-off by the coordinates axes. Find the equation of the line.

3x + 2y = 12 X + 2y = 12 3x + 2y = 10 2x + 3y = 12 Uncategorized William Quiming

1557 The intercepts of a straight line on the x and y -axis are 4 and -3 respectively. Determine its equation.

3x - 4y = 12 3x - 2y =12 X + 2y = 8 2x + 3y =12 Uncategorized William Quiming

1408 The area of the hexagon ABCDEF formed by joining the points A(1,4), B(0,3), C(2,3), D(-1,2), E(-2,-1) and F(3,0) is


1520 The equation of a given line is 3x + 4y = 24. Find the angle between the line and the x-axis.

36.87 degrees 53.13 degrees 32.05 degrees 40.26 degrees Uncategorized William Quiming

1567 The length of the sides of a parallelogram are 3339.89 m^2 2842.32 m^2 3032.81 m^2 2942.52 m^2 Uncategorized William


50.4 m and 815 m. If one angle is 125 degrees 36 ft., find the area of the parallelogram.

Quiming

999 If the points (-2,3), (x,y) and (-3,5) lie on a straight line. Find the equation of the line.

2x + y + 1 = 0 X + 2y - 2 = 0 2x - y + 2 = 0 X + y -2 = 0 Uncategorized William Quiming

684 Each side of a cube is increased by 10%. By what percent is the volume of the cube increased?

33.1% 42.2% 35.6% 31.8% Uncategorized William Quiming

667 Determine the slope of the line 3x + 4y = 7. -3/4 -4/3 3/4 4/3 Uncategorized William Quiming

790 Find the equation of the line through point (3,1) that is perpendicular to the line x + 5y + 5 = 0.

5x - y = 14 5x + y = 12 2x + 5y = 10 3x - 5y = 20 Uncategorized William Quiming

1724 The slope of a vertical line is _____. Undefined One 90 degrees Zero Uncategorized William Quiming

774 Find the distance between points (-3,2,0) and (6,-4,2).


757 Find the area of a pentagon whose vertices are (2,-6), (2,4), (4,0), (-3,3) and (-3,2).


782 Find the equation of a line containing the point (4,7) and passing at a distance 1 from the origin.

3y - 4x = 5 3x - 4y = 10 3x - 2y = 4 2x + 5y = 12 Uncategorized William Quiming

1258 One line passes through the points (1,9) and (2,6). Another line passes through (3,3) and (-1,5). Determine the acute angle between the two lines.

45 degrees 30 degrees 60 degrees 40 degrees Uncategorized William Quiming

1481 The distance between the lines 15 x + 8y + 68 =0 and 15x + 8y - C = 0 is 7. Determine the value of C.


1864 Tl is the chemical symbol for which element? Thallium Technetium Tantalum Thulium Uncategorized William


Quiming798 Find the length of the side of a pentagon if

the line perpendicular to its side is 12 units from the center.

17.44 units 14.74 units 71.44 units 14.47 units Uncategorized William Quiming

149 A cylindrical tank of diameter 12 feet and height of 15 ft is filled with water. Find the work done to pump the water over the top edge of the tank.

793,943 ft-lb 744,230 ft-lb 756,912 ft-lb 712,189 ft-lb Uncategorized William Quiming

761 Find the area of the surface of revolution formed by revolving the region bounded by x = 4 y^(1/2), 0 < or = y < or = 4 about the y-axis


739 Find the area bounded by the curve f(x) = (x^2) / 2 and g(x) = (- x / 2) + 3


106 A chemist has two solutions of sulfuric acid: a 20% solution and an 80% solution. How much of the 20% solution should be used to obtain 100 liters of a 62% solution?

30 liters 60 liters 40 liters 70 liters Uncategorized William Quiming

2037 Which of the following elements is categorized at liquid state?

Hg Tc Pm Xe Uncategorized William Quiming

2057 Which of the following is not an element? Tharium Thulium Ytterbium Francium Uncategorized William Quiming

63 A bar of iron, previously heated to 1200 degree Celsius, is cooled in a large bath of water maintained at a constant temperature of 50 degree Celsius. The bar cools by 200 degrees in the first minute. How much longer will it take to cool a second 200 degree Celsius?

1.24 minutes 1 minute 1.14 minutes 1.32 minutes Uncategorized William Quiming

1760 The temperature of a substance or mixture is extrinsic property intrinsic property chemical property radioactive property Uncategorized William


of what physical property of matter? Quiming659 Determine the interest rate required to

double an investment in eight years under continuous compounding.

8.67% 9.12% 10.12% 7.67% Uncategorized William Quiming

1763 The tendency of molecules and ions to move toward areas of lower concentration until the concentration is uniform throughout the system.

diffussion dessicant deliquescent decomposition Uncategorized William Quiming

1767 The term carat is associated to what element?

gold silver neon silicon Uncategorized William Quiming

1768 The term used for liquids that are insoluble to one another.

immiscible miscible diluted undiluted Uncategorized William Quiming

1769 The term used for two liquids dissolved in each other.

miscible soluble immiscible insoluble Uncategorized William Quiming

1770 The term used to denote the gaseous phase of a substance that is a liquid under normal conditions.

vapor fluid gas presssure plasma Uncategorized William Quiming

1758 The temperature at which the vapor pressure of the liquid is just equal to the external pressure.

boiling point freezing point normal boiling point normal freezing point Uncategorized William Quiming

731 Find the angle between the lines 3x - 2y = 6 and x + y = 6.

11.31 degrees 10.22 degrees 15.82 degrees 13.22 degrees Uncategorized William Quiming

1775 The thickness or height of a substance is of what physical property of matter?


879 Given the area in the first quadrant bounded by x^2 = 8y, the line y - 2 = 0 and the y-axis. What is the volume generated when the area is revolved about the line y - 2 = 0?


1804 The volume of water in a spherical tank 1.0 1.2 1.5 1.8 Uncategorized William


having a diameter of 4 m is 5.236 m^3. Determine the height of water in the tank.

Quiming

1405 The area of a zone of a spherical segment is 1/4 that of a sphere. What is the ratio of the radius to the altitude of the spherical zone?

4:1 2:1 3:2 3:1 Uncategorized William Quiming

342 A regular dodecagon is inscribed in a circle of radius 24. Find the perimeter of the dodecagon.


792 Find the force on one face of a right triangle of sides 4 m and altitude of 3m. The altitude is submerged vertically with the 4 m side in the surface.

58.86 kN 75.34 kN 74.56 kN 68.45 kN Uncategorized William Quiming

749 Find the area bounded by the parabolas x^2 - 4y and the line x = 4 - 2y revolves above the line x = 3. Find the volume generated.


392 A spring with a natural length of 10 cm is stretched by 1/2 cm by 12 N force. Find the work done (in Joules) in stretching the spring from 10 cm to 18 cm.

7.68 Joules 18.7 Joules 12.5 Joules 26.68 Joules Uncategorized William Quiming

165 A force of 750 N compresses a spring 3 cm from its natural length of 15 cm. Find the work done in compressing the spring an additional 3 cm.

1125 N-cm 3375 N-cm 4500 N-cm 2250 N-cm Uncategorized William Quiming

845 Finf the volume of a solid whose base is enclosed by the circle x^ 2 + y^2 = 9 and whose cross-sections taken perpendicular to the x-axis are equilateral triangles.


950 How much work is required to pump all the water from a right circular cylindrical tank that is 8 ft in diameter and 9 ft tall, if it is

155,260.65 150,322.22 154,422.44 160,432.90 Uncategorized William Quiming


emptied at a point 1 foot above the top of the tank?

1854 This property of colloids says that a thin layer of molecules of gases, liquids, or solids are held by the surface of a material with which they are in contact.

Adsorption Absorption eletrophoresis electrolysis Uncategorized William Quiming

1967 What is the surface area generated by revolving the parabola y = x^2 from x = 0 to x = 2^(1/2) about the y-axis?


1397 The area bounded by the curve y = sin x from x = 0 to x = pi is revolved about the x-axis. What is the volume generated?

4.935 cu. units 2.145 cu. units 3.452 cu. units 5.214 cu. units Uncategorized William Quiming

796 Find the length of one side of a regular pentagon inscribed in a circle with radius 5 inches.

5.88 inches 5.24 inches 4.76 inches 6.12 inches Uncategorized William Quiming

824 Find the value of [sin u /( 1 + cos u)] + cot u. Csc u Cot u Sec u Cos u Uncategorized William Quiming

485 An airplane flies east at 256 mph and another airplane flies southeast at 304 mph. After 2 hours, how far apart are the two planes?

438 miles 423 miles 452 miles 412 miles Uncategorized William Quiming

586 Bacteria grow in a nutrient solution at a rate proportional to the amount present. Initially, tere are 250 strands of the bacteria in the solution which grows to 800 strands after seven hours. Find the time needed for the bacteria to grow to 1600 strands.

11.2 hours 10.8 hours 12.9 hours 11.9 hours Uncategorized William Quiming

455 A yeast grows at a rate proportional to its present size. If the original amount doubles in two hours, in how many hours will it triple?

3.17 hours 5.12 hours 3.91 hours 4.17 hours Uncategorized William Quiming

MathID QuestText Choice1 Choice2 Choice3 Choice4 Subj Typist882 Given the area in the first quadrant bounded

by y^2 = x, the line x = 4 and the x-axis. What is the volume generated when this area is revolved about the line x = 4?


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